81144075

素因数分解:

$3^1\times 5^2\times {\mathrm{317}}^1\times {\mathrm{3413}}^1$

素因数の和:3743

約数の個数: 24

約数和(自身を含む): 134620848

約数和(自身を除く): 53476773

約数列:

[1, 3, 5, 15, 25, 75, 317, 951, 1585, 3413, 4755, 7925, 10239, 17065, 23775, 51195, 85325, 255975, 1081921, 3245763, 5409605, 16228815, 27048025, 81144075]

約数ペア:

[(1, 81144075), (3, 27048025), (5, 16228815), (15, 5409605), (25, 3245763), (75, 1081921), (317, 255975), (951, 85325), (1585, 51195), (3413, 23775), (4755, 17065), (7925, 10239)]