201790005

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1\times {\mathrm{677}}^1$

素因数の和:1357

約数の個数: 32

約数和(自身を含む): 334291968

約数和(自身を除く): 132501963

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 641, 677, 1923, 2031, 3205, 3385, 9615, 10155, 19871, 20987, 59613, 62961, 99355, 104935, 298065, 314805, 433957, 1301871, 2169785, 6509355, 13452667, 40358001, 67263335, 201790005]

約数ペア:

[(1, 201790005), (3, 67263335), (5, 40358001), (15, 13452667), (31, 6509355), (93, 2169785), (155, 1301871), (465, 433957), (641, 314805), (677, 298065), (1923, 104935), (2031, 99355), (3205, 62961), (3385, 59613), (9615, 20987), (10155, 19871)]