681471

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{373}}^1$

素因数の和:415

約数の個数: 24

約数和(自身を含む): 1166880

約数和(自身を除く): 485409

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 373, 609, 1119, 1827, 2611, 3357, 7833, 10817, 23499, 32451, 75719, 97353, 227157, 681471]

約数ペア:

[(1, 681471), (3, 227157), (7, 97353), (9, 75719), (21, 32451), (29, 23499), (63, 10817), (87, 7833), (203, 3357), (261, 2611), (373, 1827), (609, 1119)]