25488525

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19991}}^1$

素因数の和:20021

約数の個数: 24

約数和(自身を含む): 44622144

約数和(自身を除く): 19133619

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 19991, 59973, 99955, 299865, 339847, 499775, 1019541, 1499325, 1699235, 5097705, 8496175, 25488525]

約数ペア:

[(1, 25488525), (3, 8496175), (5, 5097705), (15, 1699235), (17, 1499325), (25, 1019541), (51, 499775), (75, 339847), (85, 299865), (255, 99955), (425, 59973), (1275, 19991)]