7889643

素因数分解:

$3^4\times {\mathrm{257}}^1\times {\mathrm{379}}^1$

素因数の和:648

約数の個数: 20

約数和(自身を含む): 11862840

約数和(自身を除く): 3973197

約数列:

[1, 3, 9, 27, 81, 257, 379, 771, 1137, 2313, 3411, 6939, 10233, 20817, 30699, 97403, 292209, 876627, 2629881, 7889643]

約数ペア:

[(1, 7889643), (3, 2629881), (9, 876627), (27, 292209), (81, 97403), (257, 30699), (379, 20817), (771, 10233), (1137, 6939), (2313, 3411)]