26880399

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1427}}^1$

素因数の和:1476

約数の個数: 48

約数和(自身を含む): 49900032

約数和(自身を除く): 23019633

約数列:

[1, 3, 7, 9, 13, 21, 23, 39, 63, 69, 91, 117, 161, 207, 273, 299, 483, 819, 897, 1427, 1449, 2093, 2691, 4281, 6279, 9989, 12843, 18551, 18837, 29967, 32821, 55653, 89901, 98463, 129857, 166959, 229747, 295389, 389571, 426673, 689241, 1168713, 1280019, 2067723, 2986711, 3840057, 8960133, 26880399]

約数ペア:

[(1, 26880399), (3, 8960133), (7, 3840057), (9, 2986711), (13, 2067723), (21, 1280019), (23, 1168713), (39, 689241), (63, 426673), (69, 389571), (91, 295389), (117, 229747), (161, 166959), (207, 129857), (273, 98463), (299, 89901), (483, 55653), (819, 32821), (897, 29967), (1427, 18837), (1449, 18551), (2093, 12843), (2691, 9989), (4281, 6279)]