2013218145

素因数分解:

$3^4\times 5^1\times {\mathrm{4970909}}^1$

素因数の和:4970926

約数の個数: 20

約数和(自身を含む): 3608880660

約数和(自身を除く): 1595662515

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4970909, 14912727, 24854545, 44738181, 74563635, 134214543, 223690905, 402643629, 671072715, 2013218145]

約数ペア:

[(1, 2013218145), (3, 671072715), (5, 402643629), (9, 223690905), (15, 134214543), (27, 74563635), (45, 44738181), (81, 24854545), (135, 14912727), (405, 4970909)]