627637941

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{140317}}^1$

素因数の和:140401

約数の個数: 24

約数和(自身を含む): 1050701184

約数和(自身を除く): 423063243

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 140317, 420951, 982219, 1262853, 2946657, 8839971, 9962507, 29887521, 69737549, 89662563, 209212647, 627637941]

約数ペア:

[(1, 627637941), (3, 209212647), (7, 89662563), (9, 69737549), (21, 29887521), (63, 9962507), (71, 8839971), (213, 2946657), (497, 1262853), (639, 982219), (1491, 420951), (4473, 140317)]