16947945

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{311}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 33875712

約数和(自身を除く): 16927767

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 173, 311, 315, 519, 865, 933, 1211, 1555, 1557, 2177, 2595, 2799, 3633, 4665, 6055, 6531, 7785, 10885, 10899, 13995, 18165, 19593, 32655, 53803, 54495, 97965, 161409, 269015, 376621, 484227, 807045, 1129863, 1883105, 2421135, 3389589, 5649315, 16947945]

約数ペア:

[(1, 16947945), (3, 5649315), (5, 3389589), (7, 2421135), (9, 1883105), (15, 1129863), (21, 807045), (35, 484227), (45, 376621), (63, 269015), (105, 161409), (173, 97965), (311, 54495), (315, 53803), (519, 32655), (865, 19593), (933, 18165), (1211, 13995), (1555, 10899), (1557, 10885), (2177, 7785), (2595, 6531), (2799, 6055), (3633, 4665)]