13513775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{313}}^1$

素因数の和:491

約数の個数: 24

約数和(自身を含む): 18455664

約数和(自身を除く): 4941889

約数列:

[1, 5, 11, 25, 55, 157, 275, 313, 785, 1565, 1727, 3443, 3925, 7825, 8635, 17215, 43175, 49141, 86075, 245705, 540551, 1228525, 2702755, 13513775]

約数ペア:

[(1, 13513775), (5, 2702755), (11, 1228525), (25, 540551), (55, 245705), (157, 86075), (275, 49141), (313, 43175), (785, 17215), (1565, 8635), (1727, 7825), (3443, 3925)]