12120525

素因数分解:

$3^2\times 5^2\times {\mathrm{103}}^1\times {\mathrm{523}}^1$

素因数の和:642

約数の個数: 36

約数和(自身を含む): 21961888

約数和(自身を除く): 9841363

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 103, 225, 309, 515, 523, 927, 1545, 1569, 2575, 2615, 4635, 4707, 7725, 7845, 13075, 23175, 23535, 39225, 53869, 117675, 161607, 269345, 484821, 808035, 1346725, 2424105, 4040175, 12120525]

約数ペア:

[(1, 12120525), (3, 4040175), (5, 2424105), (9, 1346725), (15, 808035), (25, 484821), (45, 269345), (75, 161607), (103, 117675), (225, 53869), (309, 39225), (515, 23535), (523, 23175), (927, 13075), (1545, 7845), (1569, 7725), (2575, 4707), (2615, 4635)]