7640721

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{683}}^1$

素因数の和:813

約数の個数: 24

約数和(自身を含む): 12164256

約数和(自身を除く): 4523535

約数列:

[1, 3, 9, 11, 33, 99, 113, 339, 683, 1017, 1243, 2049, 3729, 6147, 7513, 11187, 22539, 67617, 77179, 231537, 694611, 848969, 2546907, 7640721]

約数ペア:

[(1, 7640721), (3, 2546907), (9, 848969), (11, 694611), (33, 231537), (99, 77179), (113, 67617), (339, 22539), (683, 11187), (1017, 7513), (1243, 6147), (2049, 3729)]