20171126781

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{457}}^1\times {\mathrm{3461}}^1$

素因数の和:4046

約数の個数: 48

約数和(自身を含む): 31743631920

約数和(自身を除く): 11572505139

約数列:

[1, 3, 9, 13, 39, 109, 117, 327, 457, 981, 1371, 1417, 3461, 4113, 4251, 5941, 10383, 12753, 17823, 31149, 44993, 49813, 53469, 134979, 149439, 377249, 404937, 448317, 647569, 1131747, 1581677, 1942707, 3395241, 4745031, 4904237, 5828121, 14235093, 14712711, 20561801, 44138133, 61685403, 172402793, 185056209, 517208379, 1551625137, 2241236309, 6723708927, 20171126781]

約数ペア:

[(1, 20171126781), (3, 6723708927), (9, 2241236309), (13, 1551625137), (39, 517208379), (109, 185056209), (117, 172402793), (327, 61685403), (457, 44138133), (981, 20561801), (1371, 14712711), (1417, 14235093), (3461, 5828121), (4113, 4904237), (4251, 4745031), (5941, 3395241), (10383, 1942707), (12753, 1581677), (17823, 1131747), (31149, 647569), (44993, 448317), (49813, 404937), (53469, 377249), (134979, 149439)]