16568415

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:189

約数の個数: 64

約数和(自身を含む): 31518720

約数和(自身を除く): 14950305

約数列:

[1, 3, 5, 9, 15, 27, 31, 37, 45, 93, 107, 111, 135, 155, 185, 279, 321, 333, 465, 535, 555, 837, 963, 999, 1147, 1395, 1605, 1665, 2889, 3317, 3441, 3959, 4185, 4815, 4995, 5735, 9951, 10323, 11877, 14445, 16585, 17205, 19795, 29853, 30969, 35631, 49755, 51615, 59385, 89559, 106893, 122729, 149265, 154845, 178155, 368187, 447795, 534465, 613645, 1104561, 1840935, 3313683, 5522805, 16568415]

約数ペア:

[(1, 16568415), (3, 5522805), (5, 3313683), (9, 1840935), (15, 1104561), (27, 613645), (31, 534465), (37, 447795), (45, 368187), (93, 178155), (107, 154845), (111, 149265), (135, 122729), (155, 106893), (185, 89559), (279, 59385), (321, 51615), (333, 49755), (465, 35631), (535, 30969), (555, 29853), (837, 19795), (963, 17205), (999, 16585), (1147, 14445), (1395, 11877), (1605, 10323), (1665, 9951), (2889, 5735), (3317, 4995), (3441, 4815), (3959, 4185)]