1581225

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{727}}^1$

素因数の和:769

約数の個数: 24

約数和(自身を含む): 2708160

約数和(自身を除く): 1126935

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 727, 2175, 2181, 3635, 10905, 18175, 21083, 54525, 63249, 105415, 316245, 527075, 1581225]

約数ペア:

[(1, 1581225), (3, 527075), (5, 316245), (15, 105415), (25, 63249), (29, 54525), (75, 21083), (87, 18175), (145, 10905), (435, 3635), (725, 2181), (727, 2175)]