81700275

素因数分解:

$3^1\times 5^2\times {\mathrm{443}}^1\times {\mathrm{2459}}^1$

素因数の和:2915

約数の個数: 24

約数和(自身を含む): 135437760

約数和(自身を除く): 53737485

約数列:

[1, 3, 5, 15, 25, 75, 443, 1329, 2215, 2459, 6645, 7377, 11075, 12295, 33225, 36885, 61475, 184425, 1089337, 3268011, 5446685, 16340055, 27233425, 81700275]

約数ペア:

[(1, 81700275), (3, 27233425), (5, 16340055), (15, 5446685), (25, 3268011), (75, 1089337), (443, 184425), (1329, 61475), (2215, 36885), (2459, 33225), (6645, 12295), (7377, 11075)]