22913289

素因数分解:

$3^2\times 7^1\times {\mathrm{443}}^1\times {\mathrm{821}}^1$

素因数の和:1277

約数の個数: 24

約数和(自身を含む): 37956672

約数和(自身を除く): 15043383

約数列:

[1, 3, 7, 9, 21, 63, 443, 821, 1329, 2463, 3101, 3987, 5747, 7389, 9303, 17241, 27909, 51723, 363703, 1091109, 2545921, 3273327, 7637763, 22913289]

約数ペア:

[(1, 22913289), (3, 7637763), (7, 3273327), (9, 2545921), (21, 1091109), (63, 363703), (443, 51723), (821, 27909), (1329, 17241), (2463, 9303), (3101, 7389), (3987, 5747)]