2228475

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{691}}^1$

素因数の和:747

約数の個数: 24

約数和(自身を含む): 3775552

約数和(自身を除く): 1547077

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 691, 1075, 2073, 3225, 3455, 10365, 17275, 29713, 51825, 89139, 148565, 445695, 742825, 2228475]

約数ペア:

[(1, 2228475), (3, 742825), (5, 445695), (15, 148565), (25, 89139), (43, 51825), (75, 29713), (129, 17275), (215, 10365), (645, 3455), (691, 3225), (1075, 2073)]