61961775

素因数分解:

$3^1\times 5^2\times {\mathrm{397}}^1\times {\mathrm{2081}}^1$

素因数の和:2491

約数の個数: 24

約数和(自身を含む): 102750864

約数和(自身を除く): 40789089

約数列:

[1, 3, 5, 15, 25, 75, 397, 1191, 1985, 2081, 5955, 6243, 9925, 10405, 29775, 31215, 52025, 156075, 826157, 2478471, 4130785, 12392355, 20653925, 61961775]

約数ペア:

[(1, 61961775), (3, 20653925), (5, 12392355), (15, 4130785), (25, 2478471), (75, 826157), (397, 156075), (1191, 52025), (1985, 31215), (2081, 29775), (5955, 10405), (6243, 9925)]