38401209

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:208

約数の個数: 80

約数和(自身を含む): 73598976

約数和(自身を除く): 35197767

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 47, 63, 77, 81, 99, 131, 141, 189, 231, 297, 329, 393, 423, 517, 567, 693, 891, 917, 987, 1179, 1269, 1441, 1551, 2079, 2751, 2961, 3537, 3619, 3807, 4323, 4653, 6157, 6237, 8253, 8883, 10087, 10611, 10857, 12969, 13959, 18471, 24759, 26649, 30261, 32571, 38907, 41877, 43099, 55413, 67727, 74277, 90783, 97713, 116721, 129297, 166239, 203181, 272349, 293139, 387891, 474089, 498717, 609543, 817047, 1163673, 1422267, 1828629, 3491019, 4266801, 5485887, 12800403, 38401209]

約数ペア:

[(1, 38401209), (3, 12800403), (7, 5485887), (9, 4266801), (11, 3491019), (21, 1828629), (27, 1422267), (33, 1163673), (47, 817047), (63, 609543), (77, 498717), (81, 474089), (99, 387891), (131, 293139), (141, 272349), (189, 203181), (231, 166239), (297, 129297), (329, 116721), (393, 97713), (423, 90783), (517, 74277), (567, 67727), (693, 55413), (891, 43099), (917, 41877), (987, 38907), (1179, 32571), (1269, 30261), (1441, 26649), (1551, 24759), (2079, 18471), (2751, 13959), (2961, 12969), (3537, 10857), (3619, 10611), (3807, 10087), (4323, 8883), (4653, 8253), (6157, 6237)]