646679643

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1\times {\mathrm{673}}^1$

素因数の和:1003

約数の個数: 32

約数和(自身を含む): 929408256

約数和(自身を除く): 282728613

約数列:

[1, 3, 17, 51, 83, 227, 249, 673, 681, 1411, 2019, 3859, 4233, 11441, 11577, 18841, 34323, 55859, 56523, 152771, 167577, 320297, 458313, 949603, 960891, 2597107, 2848809, 7791321, 12679993, 38039979, 215559881, 646679643]

約数ペア:

[(1, 646679643), (3, 215559881), (17, 38039979), (51, 12679993), (83, 7791321), (227, 2848809), (249, 2597107), (673, 960891), (681, 949603), (1411, 458313), (2019, 320297), (3859, 167577), (4233, 152771), (11441, 56523), (11577, 55859), (18841, 34323)]