13216425

素因数分解:

$3^1\times 5^2\times {\mathrm{313}}^1\times {\mathrm{563}}^1$

素因数の和:889

約数の個数: 24

約数和(自身を含む): 21959904

約数和(自身を除く): 8743479

約数列:

[1, 3, 5, 15, 25, 75, 313, 563, 939, 1565, 1689, 2815, 4695, 7825, 8445, 14075, 23475, 42225, 176219, 528657, 881095, 2643285, 4405475, 13216425]

約数ペア:

[(1, 13216425), (3, 4405475), (5, 2643285), (15, 881095), (25, 528657), (75, 176219), (313, 42225), (563, 23475), (939, 14075), (1565, 8445), (1689, 7825), (2815, 4695)]