9979263

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 17611776

約数和(自身を除く): 7632513

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 71, 97, 161, 207, 213, 291, 483, 497, 639, 679, 873, 1449, 1491, 1633, 2037, 2231, 4473, 4899, 6111, 6693, 6887, 11431, 14697, 15617, 20079, 20661, 34293, 46851, 48209, 61983, 102879, 140553, 144627, 158401, 433881, 475203, 1108807, 1425609, 3326421, 9979263]

約数ペア:

[(1, 9979263), (3, 3326421), (7, 1425609), (9, 1108807), (21, 475203), (23, 433881), (63, 158401), (69, 144627), (71, 140553), (97, 102879), (161, 61983), (207, 48209), (213, 46851), (291, 34293), (483, 20661), (497, 20079), (639, 15617), (679, 14697), (873, 11431), (1449, 6887), (1491, 6693), (1633, 6111), (2037, 4899), (2231, 4473)]