12387837

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 21537792

約数和(自身を除く): 9149955

約数列:

[1, 3, 7, 11, 21, 33, 47, 49, 77, 141, 147, 163, 231, 329, 489, 517, 539, 987, 1141, 1551, 1617, 1793, 2303, 3423, 3619, 5379, 6909, 7661, 7987, 10857, 12551, 22983, 23961, 25333, 37653, 53627, 75999, 84271, 87857, 160881, 252813, 263571, 375389, 589897, 1126167, 1769691, 4129279, 12387837]

約数ペア:

[(1, 12387837), (3, 4129279), (7, 1769691), (11, 1126167), (21, 589897), (33, 375389), (47, 263571), (49, 252813), (77, 160881), (141, 87857), (147, 84271), (163, 75999), (231, 53627), (329, 37653), (489, 25333), (517, 23961), (539, 22983), (987, 12551), (1141, 10857), (1551, 7987), (1617, 7661), (1793, 6909), (2303, 5379), (3423, 3619)]