16440333

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{1229}}^1$

素因数の和:1266

約数の個数: 32

約数和(自身を含む): 27552000

約数和(自身を除く): 11111667

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 343, 637, 1029, 1229, 1911, 3687, 4459, 8603, 13377, 15977, 25809, 47931, 60221, 111839, 180663, 335517, 421547, 782873, 1264641, 2348619, 5480111, 16440333]

約数ペア:

[(1, 16440333), (3, 5480111), (7, 2348619), (13, 1264641), (21, 782873), (39, 421547), (49, 335517), (91, 180663), (147, 111839), (273, 60221), (343, 47931), (637, 25809), (1029, 15977), (1229, 13377), (1911, 8603), (3687, 4459)]