263988081

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{1039}}^1$

素因数の和:1198

約数の個数: 48

約数和(自身を含む): 452108800

約数和(自身を除く): 188120719

約数列:

[1, 3, 7, 9, 21, 37, 63, 109, 111, 259, 327, 333, 763, 777, 981, 1039, 2289, 2331, 3117, 4033, 6867, 7273, 9351, 12099, 21819, 28231, 36297, 38443, 65457, 84693, 113251, 115329, 254079, 269101, 339753, 345987, 792757, 807303, 1019259, 2378271, 2421909, 4190287, 7134813, 12570861, 29332009, 37712583, 87996027, 263988081]

約数ペア:

[(1, 263988081), (3, 87996027), (7, 37712583), (9, 29332009), (21, 12570861), (37, 7134813), (63, 4190287), (109, 2421909), (111, 2378271), (259, 1019259), (327, 807303), (333, 792757), (763, 345987), (777, 339753), (981, 269101), (1039, 254079), (2289, 115329), (2331, 113251), (3117, 84693), (4033, 65457), (6867, 38443), (7273, 36297), (9351, 28231), (12099, 21819)]