137555739657

素因数分解:

$3^2\times 7^2\times {\mathrm{311917777}}^1$

素因数の和:311917797

約数の個数: 18

約数和(自身を含む): 231131073498

約数和(自身を除く): 93575333841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 311917777, 935753331, 2183424439, 2807259993, 6550273317, 15283971073, 19650819951, 45851913219, 137555739657]

約数ペア:

[(1, 137555739657), (3, 45851913219), (7, 19650819951), (9, 15283971073), (21, 6550273317), (49, 2807259993), (63, 2183424439), (147, 935753331), (441, 311917777)]