1320229425

素因数分解:

$3^1\times 5^2\times {\mathrm{839}}^1\times {\mathrm{20981}}^1$

素因数の和:21833

約数の個数: 24

約数和(自身を含む): 2185485120

約数和(自身を除く): 865255695

約数列:

[1, 3, 5, 15, 25, 75, 839, 2517, 4195, 12585, 20975, 20981, 62925, 62943, 104905, 314715, 524525, 1573575, 17603059, 52809177, 88015295, 264045885, 440076475, 1320229425]

約数ペア:

[(1, 1320229425), (3, 440076475), (5, 264045885), (15, 88015295), (25, 52809177), (75, 17603059), (839, 1573575), (2517, 524525), (4195, 314715), (12585, 104905), (20975, 62943), (20981, 62925)]