12015945

素因数分解:

$3^4\times 5^1\times {\mathrm{29669}}^1$

素因数の和:29686

約数の個数: 20

約数和(自身を含む): 21540420

約数和(自身を除く): 9524475

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 29669, 89007, 148345, 267021, 445035, 801063, 1335105, 2403189, 4005315, 12015945]

約数ペア:

[(1, 12015945), (3, 4005315), (5, 2403189), (9, 1335105), (15, 801063), (27, 445035), (45, 267021), (81, 148345), (135, 89007), (405, 29669)]