40845567

素因数分解:

$3^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{1999}}^1$

素因数の和:2155

約数の個数: 24

約数和(自身を含む): 63840000

約数和(自身を除く): 22994433

約数列:

[1, 3, 7, 21, 49, 139, 147, 417, 973, 1999, 2919, 5997, 6811, 13993, 20433, 41979, 97951, 277861, 293853, 833583, 1945027, 5835081, 13615189, 40845567]

約数ペア:

[(1, 40845567), (3, 13615189), (7, 5835081), (21, 1945027), (49, 833583), (139, 293853), (147, 277861), (417, 97951), (973, 41979), (1999, 20433), (2919, 13993), (5997, 6811)]