40207279

素因数分解:

$7^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:251

約数の個数: 24

約数和(自身を含む): 48935040

約数和(自身を除く): 8727761

約数列:

[1, 7, 31, 43, 139, 217, 301, 961, 973, 1333, 4309, 5977, 6727, 9331, 30163, 41323, 41839, 133579, 185287, 289261, 935053, 1297009, 5743897, 40207279]

約数ペア:

[(1, 40207279), (7, 5743897), (31, 1297009), (43, 935053), (139, 289261), (217, 185287), (301, 133579), (961, 41839), (973, 41323), (1333, 30163), (4309, 9331), (5977, 6727)]