68225787

素因数分解:

$3^3\times 7^3\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 120960000

約数和(自身を除く): 52734213

約数列:

[1, 3, 7, 9, 21, 27, 49, 53, 63, 139, 147, 159, 189, 343, 371, 417, 441, 477, 973, 1029, 1113, 1251, 1323, 1431, 2597, 2919, 3087, 3339, 3753, 6811, 7367, 7791, 8757, 9261, 10017, 18179, 20433, 22101, 23373, 26271, 47677, 51569, 54537, 61299, 66303, 70119, 143031, 154707, 163611, 183897, 198909, 360983, 429093, 464121, 490833, 1082949, 1287279, 1392363, 2526881, 3248847, 7580643, 9746541, 22741929, 68225787]

約数ペア:

[(1, 68225787), (3, 22741929), (7, 9746541), (9, 7580643), (21, 3248847), (27, 2526881), (49, 1392363), (53, 1287279), (63, 1082949), (139, 490833), (147, 464121), (159, 429093), (189, 360983), (343, 198909), (371, 183897), (417, 163611), (441, 154707), (477, 143031), (973, 70119), (1029, 66303), (1113, 61299), (1251, 54537), (1323, 51569), (1431, 47677), (2597, 26271), (2919, 23373), (3087, 22101), (3339, 20433), (3753, 18179), (6811, 10017), (7367, 9261), (7791, 8757)]