7948593

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 13178880

約数和(自身を除く): 5230287

約数列:

[1, 3, 9, 19, 23, 43, 47, 57, 69, 129, 141, 171, 207, 387, 423, 437, 817, 893, 989, 1081, 1311, 2021, 2451, 2679, 2967, 3243, 3933, 6063, 7353, 8037, 8901, 9729, 18189, 18791, 20539, 38399, 46483, 56373, 61617, 115197, 139449, 169119, 184851, 345591, 418347, 883177, 2649531, 7948593]

約数ペア:

[(1, 7948593), (3, 2649531), (9, 883177), (19, 418347), (23, 345591), (43, 184851), (47, 169119), (57, 139449), (69, 115197), (129, 61617), (141, 56373), (171, 46483), (207, 38399), (387, 20539), (423, 18791), (437, 18189), (817, 9729), (893, 8901), (989, 8037), (1081, 7353), (1311, 6063), (2021, 3933), (2451, 3243), (2679, 2967)]