69856983

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{241}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 119598336

約数和(自身を除く): 49741353

約数列:

[1, 3, 7, 9, 21, 43, 63, 107, 129, 241, 301, 321, 387, 723, 749, 903, 963, 1687, 2169, 2247, 2709, 4601, 5061, 6741, 10363, 13803, 15183, 25787, 31089, 32207, 41409, 72541, 77361, 93267, 96621, 180509, 217623, 232083, 289863, 541527, 652869, 1108841, 1624581, 3326523, 7761887, 9979569, 23285661, 69856983]

約数ペア:

[(1, 69856983), (3, 23285661), (7, 9979569), (9, 7761887), (21, 3326523), (43, 1624581), (63, 1108841), (107, 652869), (129, 541527), (241, 289863), (301, 232083), (321, 217623), (387, 180509), (723, 96621), (749, 93267), (903, 77361), (963, 72541), (1687, 41409), (2169, 32207), (2247, 31089), (2709, 25787), (4601, 15183), (5061, 13803), (6741, 10363)]