12817371

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 22063104

約数和(自身を除く): 9245733

約数列:

[1, 3, 7, 17, 21, 23, 49, 51, 69, 119, 147, 161, 223, 357, 391, 483, 669, 833, 1127, 1173, 1561, 2499, 2737, 3381, 3791, 4683, 5129, 8211, 10927, 11373, 15387, 19159, 26537, 32781, 35903, 57477, 79611, 87193, 107709, 185759, 251321, 261579, 557277, 610351, 753963, 1831053, 4272457, 12817371]

約数ペア:

[(1, 12817371), (3, 4272457), (7, 1831053), (17, 753963), (21, 610351), (23, 557277), (49, 261579), (51, 251321), (69, 185759), (119, 107709), (147, 87193), (161, 79611), (223, 57477), (357, 35903), (391, 32781), (483, 26537), (669, 19159), (833, 15387), (1127, 11373), (1173, 10927), (1561, 8211), (2499, 5129), (2737, 4683), (3381, 3791)]