55331505

素因数分解:

$3^4\times 5^1\times {\mathrm{136621}}^1$

素因数の和:136638

約数の個数: 20

約数和(自身を含む): 99187572

約数和(自身を除く): 43856067

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 136621, 409863, 683105, 1229589, 2049315, 3688767, 6147945, 11066301, 18443835, 55331505]

約数ペア:

[(1, 55331505), (3, 18443835), (5, 11066301), (9, 6147945), (15, 3688767), (27, 2049315), (45, 1229589), (81, 683105), (135, 409863), (405, 136621)]