13481235

素因数分解:

$3^4\times 5^1\times {\mathrm{33287}}^1$

素因数の和:33304

約数の個数: 20

約数和(自身を含む): 24167088

約数和(自身を除く): 10685853

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 33287, 99861, 166435, 299583, 499305, 898749, 1497915, 2696247, 4493745, 13481235]

約数ペア:

[(1, 13481235), (3, 4493745), (5, 2696247), (9, 1497915), (15, 898749), (27, 499305), (45, 299583), (81, 166435), (135, 99861), (405, 33287)]