315519786

素因数分解:

$2^1\times 3^4\times {\mathrm{1947653}}^1$

素因数の和:1947667

約数の個数: 20

約数和(自身を含む): 706998402

約数和(自身を除く): 391478616

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 1947653, 3895306, 5842959, 11685918, 17528877, 35057754, 52586631, 105173262, 157759893, 315519786]

約数ペア:

[(1, 315519786), (2, 157759893), (3, 105173262), (6, 52586631), (9, 35057754), (18, 17528877), (27, 11685918), (54, 5842959), (81, 3895306), (162, 1947653)]