81593475

素因数分解:

$3^1\times 5^2\times {\mathrm{401}}^1\times {\mathrm{2713}}^1$

素因数の和:3127

約数の個数: 24

約数和(自身を含む): 135287472

約数和(自身を除く): 53693997

約数列:

[1, 3, 5, 15, 25, 75, 401, 1203, 2005, 2713, 6015, 8139, 10025, 13565, 30075, 40695, 67825, 203475, 1087913, 3263739, 5439565, 16318695, 27197825, 81593475]

約数ペア:

[(1, 81593475), (3, 27197825), (5, 16318695), (15, 5439565), (25, 3263739), (75, 1087913), (401, 203475), (1203, 67825), (2005, 40695), (2713, 30075), (6015, 13565), (8139, 10025)]