66718485

素因数分解:

$3^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{641}}^1$

素因数の和:915

約数の個数: 40

約数和(自身を含む): 120251736

約数和(自身を除く): 53533251

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 257, 405, 641, 771, 1285, 1923, 2313, 3205, 3855, 5769, 6939, 9615, 11565, 17307, 20817, 28845, 34695, 51921, 86535, 104085, 164737, 259605, 494211, 823685, 1482633, 2471055, 4447899, 7413165, 13343697, 22239495, 66718485]

約数ペア:

[(1, 66718485), (3, 22239495), (5, 13343697), (9, 7413165), (15, 4447899), (27, 2471055), (45, 1482633), (81, 823685), (135, 494211), (257, 259605), (405, 164737), (641, 104085), (771, 86535), (1285, 51921), (1923, 34695), (2313, 28845), (3205, 20817), (3855, 17307), (5769, 11565), (6939, 9615)]