81001425

素因数分解:

$3^1\times 5^2\times {\mathrm{317}}^1\times {\mathrm{3407}}^1$

素因数の和:3737

約数の個数: 24

約数和(自身を含む): 134384256

約数和(自身を除く): 53382831

約数列:

[1, 3, 5, 15, 25, 75, 317, 951, 1585, 3407, 4755, 7925, 10221, 17035, 23775, 51105, 85175, 255525, 1080019, 3240057, 5400095, 16200285, 27000475, 81001425]

約数ペア:

[(1, 81001425), (3, 27000475), (5, 16200285), (15, 5400095), (25, 3240057), (75, 1080019), (317, 255525), (951, 85175), (1585, 51105), (3407, 23775), (4755, 17035), (7925, 10221)]