321397305

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1\times {\mathrm{1741}}^1$

素因数の和:2177

約数の個数: 32

約数和(自身を含む): 532466688

約数和(自身を除く): 211069383

約数列:

[1, 3, 5, 15, 31, 93, 155, 397, 465, 1191, 1741, 1985, 5223, 5955, 8705, 12307, 26115, 36921, 53971, 61535, 161913, 184605, 269855, 691177, 809565, 2073531, 3455885, 10367655, 21426487, 64279461, 107132435, 321397305]

約数ペア:

[(1, 321397305), (3, 107132435), (5, 64279461), (15, 21426487), (31, 10367655), (93, 3455885), (155, 2073531), (397, 809565), (465, 691177), (1191, 269855), (1741, 184605), (1985, 161913), (5223, 61535), (5955, 53971), (8705, 36921), (12307, 26115)]