1780490061

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{26339}}^1$

素因数の和:26418

約数の個数: 48

約数和(自身を含む): 3122870400

約数和(自身を除く): 1342380339

約数列:

[1, 3, 7, 9, 21, 29, 37, 63, 87, 111, 203, 259, 261, 333, 609, 777, 1073, 1827, 2331, 3219, 7511, 9657, 22533, 26339, 67599, 79017, 184373, 237051, 553119, 763831, 974543, 1659357, 2291493, 2923629, 5346817, 6821801, 6874479, 8770887, 16040451, 20465403, 28261747, 48121353, 61396209, 84785241, 197832229, 254355723, 593496687, 1780490061]

約数ペア:

[(1, 1780490061), (3, 593496687), (7, 254355723), (9, 197832229), (21, 84785241), (29, 61396209), (37, 48121353), (63, 28261747), (87, 20465403), (111, 16040451), (203, 8770887), (259, 6874479), (261, 6821801), (333, 5346817), (609, 2923629), (777, 2291493), (1073, 1659357), (1827, 974543), (2331, 763831), (3219, 553119), (7511, 237051), (9657, 184373), (22533, 79017), (26339, 67599)]