71280279

素因数分解:

$3^2\times 7^1\times {\mathrm{983}}^1\times {\mathrm{1151}}^1$

素因数の和:2147

約数の個数: 24

約数和(自身を含む): 117891072

約数和(自身を除く): 46610793

約数列:

[1, 3, 7, 9, 21, 63, 983, 1151, 2949, 3453, 6881, 8057, 8847, 10359, 20643, 24171, 61929, 72513, 1131433, 3394299, 7920031, 10182897, 23760093, 71280279]

約数ペア:

[(1, 71280279), (3, 23760093), (7, 10182897), (9, 7920031), (21, 3394299), (63, 1131433), (983, 72513), (1151, 61929), (2949, 24171), (3453, 20643), (6881, 10359), (8057, 8847)]