39512571

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:133

約数の個数: 64

約数和(自身を含む): 67584000

約数和(自身を除く): 28071429

約数列:

[1, 3, 7, 19, 21, 43, 47, 49, 57, 129, 133, 141, 147, 301, 329, 343, 399, 817, 893, 903, 931, 987, 1029, 2021, 2107, 2303, 2451, 2679, 2793, 5719, 6063, 6251, 6321, 6517, 6909, 14147, 14749, 16121, 17157, 18753, 19551, 38399, 40033, 42441, 43757, 44247, 48363, 99029, 115197, 120099, 131271, 268793, 280231, 297087, 306299, 693203, 806379, 840693, 918897, 1881551, 2079609, 5644653, 13170857, 39512571]

約数ペア:

[(1, 39512571), (3, 13170857), (7, 5644653), (19, 2079609), (21, 1881551), (43, 918897), (47, 840693), (49, 806379), (57, 693203), (129, 306299), (133, 297087), (141, 280231), (147, 268793), (301, 131271), (329, 120099), (343, 115197), (399, 99029), (817, 48363), (893, 44247), (903, 43757), (931, 42441), (987, 40033), (1029, 38399), (2021, 19551), (2107, 18753), (2303, 17157), (2451, 16121), (2679, 14749), (2793, 14147), (5719, 6909), (6063, 6517), (6251, 6321)]