39962997

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{367}}^1$

素因数の和:522

約数の個数: 32

約数和(自身を含む): 61529600

約数和(自身を除く): 21566603

約数列:

[1, 3, 9, 27, 37, 109, 111, 327, 333, 367, 981, 999, 1101, 2943, 3303, 4033, 9909, 12099, 13579, 36297, 40003, 40737, 108891, 120009, 122211, 360027, 366633, 1080081, 1480111, 4440333, 13320999, 39962997]

約数ペア:

[(1, 39962997), (3, 13320999), (9, 4440333), (27, 1480111), (37, 1080081), (109, 366633), (111, 360027), (327, 122211), (333, 120009), (367, 108891), (981, 40737), (999, 40003), (1101, 36297), (2943, 13579), (3303, 12099), (4033, 9909)]