921492045

素因数分解:

$3^4\times 5^1\times {\mathrm{2275289}}^1$

素因数の和:2275306

約数の個数: 20

約数和(自身を含む): 1651860540

約数和(自身を除く): 730368495

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 2275289, 6825867, 11376445, 20477601, 34129335, 61432803, 102388005, 184298409, 307164015, 921492045]

約数ペア:

[(1, 921492045), (3, 307164015), (5, 184298409), (9, 102388005), (15, 61432803), (27, 34129335), (45, 20477601), (81, 11376445), (135, 6825867), (405, 2275289)]