257466255

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{10223}}^1$

素因数の和:10327

約数の個数: 32

約数和(自身を含む): 435787776

約数和(自身を除く): 178321521

約数列:

[1, 3, 5, 15, 23, 69, 73, 115, 219, 345, 365, 1095, 1679, 5037, 8395, 10223, 25185, 30669, 51115, 153345, 235129, 705387, 746279, 1175645, 2238837, 3526935, 3731395, 11194185, 17164417, 51493251, 85822085, 257466255]

約数ペア:

[(1, 257466255), (3, 85822085), (5, 51493251), (15, 17164417), (23, 11194185), (69, 3731395), (73, 3526935), (115, 2238837), (219, 1175645), (345, 746279), (365, 705387), (1095, 235129), (1679, 153345), (5037, 51115), (8395, 30669), (10223, 25185)]