7807779

素因数分解:

$3^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{379}}^1$

素因数の和:504

約数の個数: 32

約数和(自身を含む): 13376000

約数和(自身を除く): 5568221

約数列:

[1, 3, 7, 9, 21, 27, 63, 109, 189, 327, 379, 763, 981, 1137, 2289, 2653, 2943, 3411, 6867, 7959, 10233, 20601, 23877, 41311, 71631, 123933, 289177, 371799, 867531, 1115397, 2602593, 7807779]

約数ペア:

[(1, 7807779), (3, 2602593), (7, 1115397), (9, 867531), (21, 371799), (27, 289177), (63, 123933), (109, 71631), (189, 41311), (327, 23877), (379, 20601), (763, 10233), (981, 7959), (1137, 6867), (2289, 3411), (2653, 2943)]