289751525

素因数分解:

$5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{27143}}^1$

素因数の和:27221

約数の個数: 24

約数和(自身を含む): 417366144

約数和(自身を除く): 127614619

約数列:

[1, 5, 7, 25, 35, 61, 175, 305, 427, 1525, 2135, 10675, 27143, 135715, 190001, 678575, 950005, 1655723, 4750025, 8278615, 11590061, 41393075, 57950305, 289751525]

約数ペア:

[(1, 289751525), (5, 57950305), (7, 41393075), (25, 11590061), (35, 8278615), (61, 4750025), (175, 1655723), (305, 950005), (427, 678575), (1525, 190001), (2135, 135715), (10675, 27143)]