72501225

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{22481}}^1$

素因数の和:22537

約数の個数: 24

約数和(自身を含む): 122661792

約数和(自身を除く): 50160567

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 22481, 67443, 112405, 337215, 562025, 966683, 1686075, 2900049, 4833415, 14500245, 24167075, 72501225]

約数ペア:

[(1, 72501225), (3, 24167075), (5, 14500245), (15, 4833415), (25, 2900049), (43, 1686075), (75, 966683), (129, 562025), (215, 337215), (645, 112405), (1075, 67443), (3225, 22481)]