64520175

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{331}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 112635648

約数和(自身を除く): 48115473

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 113, 115, 331, 339, 345, 565, 575, 993, 1655, 1695, 1725, 2599, 2825, 4965, 7613, 7797, 8275, 8475, 12995, 22839, 24825, 37403, 38065, 38985, 64975, 112209, 114195, 187015, 190325, 194925, 561045, 570975, 860269, 935075, 2580807, 2805225, 4301345, 12904035, 21506725, 64520175]

約数ペア:

[(1, 64520175), (3, 21506725), (5, 12904035), (15, 4301345), (23, 2805225), (25, 2580807), (69, 935075), (75, 860269), (113, 570975), (115, 561045), (331, 194925), (339, 190325), (345, 187015), (565, 114195), (575, 112209), (993, 64975), (1655, 38985), (1695, 38065), (1725, 37403), (2599, 24825), (2825, 22839), (4965, 12995), (7613, 8475), (7797, 8275)]