390785871

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1\times {\mathrm{1249}}^1$

素因数の和:1623

約数の個数: 32

約数和(自身を含む): 610560000

約数和(自身を除く): 219774129

約数列:

[1, 3, 7, 21, 47, 141, 317, 329, 951, 987, 1249, 2219, 3747, 6657, 8743, 14899, 26229, 44697, 58703, 104293, 176109, 312879, 395933, 410921, 1187799, 1232763, 2771531, 8314593, 18608851, 55826553, 130261957, 390785871]

約数ペア:

[(1, 390785871), (3, 130261957), (7, 55826553), (21, 18608851), (47, 8314593), (141, 2771531), (317, 1232763), (329, 1187799), (951, 410921), (987, 395933), (1249, 312879), (2219, 176109), (3747, 104293), (6657, 58703), (8743, 44697), (14899, 26229)]