9780756489

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{61291}}^1$

素因数の和:61470

約数の個数: 48

約数和(自身を含む): 17210793600

約数和(自身を除く): 7430037111

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 149, 153, 357, 447, 1043, 1071, 1341, 2533, 3129, 7599, 9387, 17731, 22797, 53193, 61291, 159579, 183873, 429037, 551619, 1041947, 1287111, 3125841, 3861333, 7293629, 9132359, 9377523, 21880887, 27397077, 63926513, 65642661, 82191231, 155250103, 191779539, 465750309, 575338617, 1086750721, 1397250927, 3260252163, 9780756489]

約数ペア:

[(1, 9780756489), (3, 3260252163), (7, 1397250927), (9, 1086750721), (17, 575338617), (21, 465750309), (51, 191779539), (63, 155250103), (119, 82191231), (149, 65642661), (153, 63926513), (357, 27397077), (447, 21880887), (1043, 9377523), (1071, 9132359), (1341, 7293629), (2533, 3861333), (3129, 3125841), (7599, 1287111), (9387, 1041947), (17731, 551619), (22797, 429037), (53193, 183873), (61291, 159579)]