817779996

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^2$

素因数の和:393

約数の個数: 144

約数和(自身を含む): 2427505920

約数和(自身を除く): 1609725924

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 23, 27, 33, 36, 44, 46, 54, 66, 69, 92, 99, 108, 132, 138, 173, 198, 207, 253, 276, 297, 346, 396, 414, 506, 519, 594, 621, 692, 759, 828, 1012, 1038, 1188, 1242, 1518, 1557, 1903, 2076, 2277, 2484, 3036, 3114, 3806, 3979, 4554, 4671, 5709, 6228, 6831, 7612, 7958, 9108, 9342, 11418, 11937, 13662, 15916, 17127, 18684, 22836, 23874, 27324, 29929, 34254, 35811, 43769, 47748, 51381, 59858, 68508, 71622, 87538, 89787, 102762, 107433, 119716, 131307, 143244, 175076, 179574, 205524, 214866, 262614, 269361, 329219, 359148, 393921, 429732, 525228, 538722, 658438, 688367, 787842, 808083, 987657, 1077444, 1181763, 1316876, 1376734, 1575684, 1616166, 1975314, 2065101, 2363526, 2753468, 2962971, 3232332, 3950628, 4130202, 4727052, 5925942, 6195303, 7572037, 8260404, 8888913, 11851884, 12390606, 15144074, 17777826, 18585909, 22716111, 24781212, 30288148, 35555652, 37171818, 45432222, 68148333, 74343636, 90864444, 136296666, 204444999, 272593332, 408889998, 817779996]

約数ペア:

[(1, 817779996), (2, 408889998), (3, 272593332), (4, 204444999), (6, 136296666), (9, 90864444), (11, 74343636), (12, 68148333), (18, 45432222), (22, 37171818), (23, 35555652), (27, 30288148), (33, 24781212), (36, 22716111), (44, 18585909), (46, 17777826), (54, 15144074), (66, 12390606), (69, 11851884), (92, 8888913), (99, 8260404), (108, 7572037), (132, 6195303), (138, 5925942), (173, 4727052), (198, 4130202), (207, 3950628), (253, 3232332), (276, 2962971), (297, 2753468), (346, 2363526), (396, 2065101), (414, 1975314), (506, 1616166), (519, 1575684), (594, 1376734), (621, 1316876), (692, 1181763), (759, 1077444), (828, 987657), (1012, 808083), (1038, 787842), (1188, 688367), (1242, 658438), (1518, 538722), (1557, 525228), (1903, 429732), (2076, 393921), (2277, 359148), (2484, 329219), (3036, 269361), (3114, 262614), (3806, 214866), (3979, 205524), (4554, 179574), (4671, 175076), (5709, 143244), (6228, 131307), (6831, 119716), (7612, 107433), (7958, 102762), (9108, 89787), (9342, 87538), (11418, 71622), (11937, 68508), (13662, 59858), (15916, 51381), (17127, 47748), (18684, 43769), (22836, 35811), (23874, 34254), (27324, 29929)]