69120945

素因数分解:

$3^4\times 5^1\times {\mathrm{170669}}^1$

素因数の和:170686

約数の個数: 20

約数和(自身を含む): 123906420

約数和(自身を除く): 54785475

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 170669, 512007, 853345, 1536021, 2560035, 4608063, 7680105, 13824189, 23040315, 69120945]

約数ペア:

[(1, 69120945), (3, 23040315), (5, 13824189), (9, 7680105), (15, 4608063), (27, 2560035), (45, 1536021), (81, 853345), (135, 512007), (405, 170669)]