42691905

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{22063}}^1$

素因数の和:22117

約数の個数: 24

約数和(自身を含む): 75723648

約数和(自身を除く): 33031743

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 22063, 66189, 110315, 198567, 330945, 948709, 992835, 2846127, 4743545, 8538381, 14230635, 42691905]

約数ペア:

[(1, 42691905), (3, 14230635), (5, 8538381), (9, 4743545), (15, 2846127), (43, 992835), (45, 948709), (129, 330945), (215, 198567), (387, 110315), (645, 66189), (1935, 22063)]