12518955

素因数分解:

$3^4\times 5^1\times {\mathrm{30911}}^1$

素因数の和:30928

約数の個数: 20

約数和(自身を含む): 22442112

約数和(自身を除く): 9923157

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 30911, 92733, 154555, 278199, 463665, 834597, 1390995, 2503791, 4172985, 12518955]

約数ペア:

[(1, 12518955), (3, 4172985), (5, 2503791), (9, 1390995), (15, 834597), (27, 463665), (45, 278199), (81, 154555), (135, 92733), (405, 30911)]