25920975

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{6521}}^1$

素因数の和:6587

約数の個数: 24

約数和(自身を含む): 43671312

約数和(自身を除く): 17750337

約数列:

[1, 3, 5, 15, 25, 53, 75, 159, 265, 795, 1325, 3975, 6521, 19563, 32605, 97815, 163025, 345613, 489075, 1036839, 1728065, 5184195, 8640325, 25920975]

約数ペア:

[(1, 25920975), (3, 8640325), (5, 5184195), (15, 1728065), (25, 1036839), (53, 489075), (75, 345613), (159, 163025), (265, 97815), (795, 32605), (1325, 19563), (3975, 6521)]