30590847

素因数分解:

$3^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{977}}^1$

素因数の和:1068

約数の個数: 36

約数和(自身を含む): 52178256

約数和(自身を除く): 21587409

約数列:

[1, 3, 7, 9, 21, 49, 63, 71, 147, 213, 441, 497, 639, 977, 1491, 2931, 3479, 4473, 6839, 8793, 10437, 20517, 31311, 47873, 61551, 69367, 143619, 208101, 430857, 485569, 624303, 1456707, 3398983, 4370121, 10196949, 30590847]

約数ペア:

[(1, 30590847), (3, 10196949), (7, 4370121), (9, 3398983), (21, 1456707), (49, 624303), (63, 485569), (71, 430857), (147, 208101), (213, 143619), (441, 69367), (497, 61551), (639, 47873), (977, 31311), (1491, 20517), (2931, 10437), (3479, 8793), (4473, 6839)]