520044399

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{977}}^1$

素因数の和:1085

約数の個数: 72

約数和(自身を含む): 939208608

約数和(自身を除く): 419164209

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 71, 119, 147, 153, 213, 357, 441, 497, 639, 833, 977, 1071, 1207, 1491, 2499, 2931, 3479, 3621, 4473, 6839, 7497, 8449, 8793, 10437, 10863, 16609, 20517, 25347, 31311, 47873, 49827, 59143, 61551, 69367, 76041, 116263, 143619, 149481, 177429, 208101, 348789, 430857, 485569, 532287, 624303, 813841, 1046367, 1179239, 1456707, 2441523, 3398983, 3537717, 4370121, 7324569, 8254673, 10196949, 10613151, 24764019, 30590847, 57782711, 74292057, 173348133, 520044399]

約数ペア:

[(1, 520044399), (3, 173348133), (7, 74292057), (9, 57782711), (17, 30590847), (21, 24764019), (49, 10613151), (51, 10196949), (63, 8254673), (71, 7324569), (119, 4370121), (147, 3537717), (153, 3398983), (213, 2441523), (357, 1456707), (441, 1179239), (497, 1046367), (639, 813841), (833, 624303), (977, 532287), (1071, 485569), (1207, 430857), (1491, 348789), (2499, 208101), (2931, 177429), (3479, 149481), (3621, 143619), (4473, 116263), (6839, 76041), (7497, 69367), (8449, 61551), (8793, 59143), (10437, 49827), (10863, 47873), (16609, 31311), (20517, 25347)]