78133881

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 127125504

約数和(自身を除く): 48991623

約数列:

[1, 3, 7, 21, 43, 47, 49, 129, 141, 147, 263, 301, 329, 789, 903, 987, 1841, 2021, 2107, 2303, 5523, 6063, 6321, 6909, 11309, 12361, 12887, 14147, 33927, 37083, 38661, 42441, 79163, 86527, 99029, 237489, 259581, 297087, 531523, 554141, 605689, 1594569, 1662423, 1817067, 3720661, 11161983, 26044627, 78133881]

約数ペア:

[(1, 78133881), (3, 26044627), (7, 11161983), (21, 3720661), (43, 1817067), (47, 1662423), (49, 1594569), (129, 605689), (141, 554141), (147, 531523), (263, 297087), (301, 259581), (329, 237489), (789, 99029), (903, 86527), (987, 79163), (1841, 42441), (2021, 38661), (2107, 37083), (2303, 33927), (5523, 14147), (6063, 12887), (6321, 12361), (6909, 11309)]