55889595

素因数分解:

$3^4\times 5^1\times {\mathrm{137999}}^1$

素因数の和:138016

約数の個数: 20

約数和(自身を含む): 100188000

約数和(自身を除く): 44298405

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 137999, 413997, 689995, 1241991, 2069985, 3725973, 6209955, 11177919, 18629865, 55889595]

約数ペア:

[(1, 55889595), (3, 18629865), (5, 11177919), (9, 6209955), (15, 3725973), (27, 2069985), (45, 1241991), (81, 689995), (135, 413997), (405, 137999)]