55607715

素因数分解:

$3^4\times 5^1\times {\mathrm{137303}}^1$

素因数の和:137320

約数の個数: 20

約数和(自身を含む): 99682704

約数和(自身を除く): 44074989

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 137303, 411909, 686515, 1235727, 2059545, 3707181, 6178635, 11121543, 18535905, 55607715]

約数ペア:

[(1, 55607715), (3, 18535905), (5, 11121543), (9, 6178635), (15, 3707181), (27, 2059545), (45, 1235727), (81, 686515), (135, 411909), (405, 137303)]