251091567363

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{1331041}}^1$

素因数の和:1331755

約数の個数: 32

約数和(自身を含む): 412644316672

約数和(自身を除く): 161552749309

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 691, 2073, 4837, 8983, 14511, 26949, 62881, 188643, 1331041, 3993123, 9317287, 17303533, 27951861, 51910599, 121124731, 363374193, 919749331, 2759247993, 6438245317, 11956741303, 19314735951, 35870223909, 83697189121, 251091567363]

約数ペア:

[(1, 251091567363), (3, 83697189121), (7, 35870223909), (13, 19314735951), (21, 11956741303), (39, 6438245317), (91, 2759247993), (273, 919749331), (691, 363374193), (2073, 121124731), (4837, 51910599), (8983, 27951861), (14511, 17303533), (26949, 9317287), (62881, 3993123), (188643, 1331041)]