77679

素因数分解:

$3^4\times 7^1\times {\mathrm{137}}^1$

素因数の和:156

約数の個数: 20

約数和(自身を含む): 133584

約数和(自身を除く): 55905

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 137, 189, 411, 567, 959, 1233, 2877, 3699, 8631, 11097, 25893, 77679]

約数ペア:

[(1, 77679), (3, 25893), (7, 11097), (9, 8631), (21, 3699), (27, 2877), (63, 1233), (81, 959), (137, 567), (189, 411)]