220858407

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2083}}^1$

素因数の和:2130

約数の個数: 80

約数和(自身を含む): 435739392

約数和(自身を除く): 214880985

約数列:

[1, 3, 7, 9, 11, 17, 21, 27, 33, 51, 63, 77, 81, 99, 119, 153, 187, 189, 231, 297, 357, 459, 561, 567, 693, 891, 1071, 1309, 1377, 1683, 2079, 2083, 3213, 3927, 5049, 6237, 6249, 9639, 11781, 14581, 15147, 18747, 22913, 35343, 35411, 43743, 56241, 68739, 106029, 106233, 131229, 160391, 168723, 206217, 247877, 318699, 389521, 393687, 481173, 618651, 743631, 956097, 1168563, 1181061, 1443519, 1855953, 2230893, 2726647, 2868291, 3505689, 4330557, 6692679, 8179941, 10517067, 12991671, 20078037, 24539823, 31551201, 73619469, 220858407]

約数ペア:

[(1, 220858407), (3, 73619469), (7, 31551201), (9, 24539823), (11, 20078037), (17, 12991671), (21, 10517067), (27, 8179941), (33, 6692679), (51, 4330557), (63, 3505689), (77, 2868291), (81, 2726647), (99, 2230893), (119, 1855953), (153, 1443519), (187, 1181061), (189, 1168563), (231, 956097), (297, 743631), (357, 618651), (459, 481173), (561, 393687), (567, 389521), (693, 318699), (891, 247877), (1071, 206217), (1309, 168723), (1377, 160391), (1683, 131229), (2079, 106233), (2083, 106029), (3213, 68739), (3927, 56241), (5049, 43743), (6237, 35411), (6249, 35343), (9639, 22913), (11781, 18747), (14581, 15147)]