55409265

素因数分解:

$3^4\times 5^1\times {\mathrm{136813}}^1$

素因数の和:136830

約数の個数: 20

約数和(自身を含む): 99326964

約数和(自身を除く): 43917699

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 136813, 410439, 684065, 1231317, 2052195, 3693951, 6156585, 11081853, 18469755, 55409265]

約数ペア:

[(1, 55409265), (3, 18469755), (5, 11081853), (9, 6156585), (15, 3693951), (27, 2052195), (45, 1231317), (81, 684065), (135, 410439), (405, 136813)]