12391875

素因数分解:

$3^2\times 5^4\times {\mathrm{2203}}^1$

素因数の和:2229

約数の個数: 30

約数和(自身を含む): 22377212

約数和(自身を除く): 9985337

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 625, 1125, 1875, 2203, 5625, 6609, 11015, 19827, 33045, 55075, 99135, 165225, 275375, 495675, 826125, 1376875, 2478375, 4130625, 12391875]

約数ペア:

[(1, 12391875), (3, 4130625), (5, 2478375), (9, 1376875), (15, 826125), (25, 495675), (45, 275375), (75, 165225), (125, 99135), (225, 55075), (375, 33045), (625, 19827), (1125, 11015), (1875, 6609), (2203, 5625)]