264465

素因数分解:

$3^4\times 5^1\times {\mathrm{653}}^1$

素因数の和:670

約数の個数: 20

約数和(自身を含む): 474804

約数和(自身を除く): 210339

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 653, 1959, 3265, 5877, 9795, 17631, 29385, 52893, 88155, 264465]

約数ペア:

[(1, 264465), (3, 88155), (5, 52893), (9, 29385), (15, 17631), (27, 9795), (45, 5877), (81, 3265), (135, 1959), (405, 653)]