86685675

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 147990528

約数和(自身を除く): 61304853

約数列:

[1, 3, 5, 15, 25, 71, 73, 75, 213, 219, 223, 355, 365, 669, 1065, 1095, 1115, 1775, 1825, 3345, 5183, 5325, 5475, 5575, 15549, 15833, 16279, 16725, 25915, 47499, 48837, 77745, 79165, 81395, 129575, 237495, 244185, 388725, 395825, 406975, 1155809, 1187475, 1220925, 3467427, 5779045, 17337135, 28895225, 86685675]

約数ペア:

[(1, 86685675), (3, 28895225), (5, 17337135), (15, 5779045), (25, 3467427), (71, 1220925), (73, 1187475), (75, 1155809), (213, 406975), (219, 395825), (223, 388725), (355, 244185), (365, 237495), (669, 129575), (1065, 81395), (1095, 79165), (1115, 77745), (1775, 48837), (1825, 47499), (3345, 25915), (5183, 16725), (5325, 16279), (5475, 15833), (5575, 15549)]