672399

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{821}}^1$

素因数の和:847

約数の個数: 24

約数和(自身を含む): 1196832

約数和(自身を除く): 524433

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 821, 2463, 5747, 7389, 10673, 17241, 32019, 51723, 74711, 96057, 224133, 672399]

約数ペア:

[(1, 672399), (3, 224133), (7, 96057), (9, 74711), (13, 51723), (21, 32019), (39, 17241), (63, 10673), (91, 7389), (117, 5747), (273, 2463), (819, 821)]