87257961

素因数分解:

$3^2\times 7^1\times {\mathrm{983}}^1\times {\mathrm{1409}}^1$

素因数の和:2405

約数の個数: 24

約数和(自身を含む): 144293760

約数和(自身を除く): 57035799

約数列:

[1, 3, 7, 9, 21, 63, 983, 1409, 2949, 4227, 6881, 8847, 9863, 12681, 20643, 29589, 61929, 88767, 1385047, 4155141, 9695329, 12465423, 29085987, 87257961]

約数ペア:

[(1, 87257961), (3, 29085987), (7, 12465423), (9, 9695329), (21, 4155141), (63, 1385047), (983, 88767), (1409, 61929), (2949, 29589), (4227, 20643), (6881, 12681), (8847, 9863)]