1371993

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{827}}^1$

素因数の和:916

約数の個数: 16

約数和(自身を含む): 2119680

約数和(自身を除く): 747687

約数列:

[1, 3, 7, 21, 79, 237, 553, 827, 1659, 2481, 5789, 17367, 65333, 195999, 457331, 1371993]

約数ペア:

[(1, 1371993), (3, 457331), (7, 195999), (21, 65333), (79, 17367), (237, 5789), (553, 2481), (827, 1659)]