26440533

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 48640000

約数和(自身を除く): 22199467

約数列:

[1, 3, 7, 9, 19, 21, 27, 37, 57, 63, 111, 133, 171, 189, 199, 259, 333, 399, 513, 597, 703, 777, 999, 1197, 1393, 1791, 2109, 2331, 3591, 3781, 4179, 4921, 5373, 6327, 6993, 7363, 11343, 12537, 14763, 18981, 22089, 26467, 34029, 37611, 44289, 51541, 66267, 79401, 102087, 132867, 139897, 154623, 198801, 238203, 419691, 463869, 714609, 979279, 1259073, 1391607, 2937837, 3777219, 8813511, 26440533]

約数ペア:

[(1, 26440533), (3, 8813511), (7, 3777219), (9, 2937837), (19, 1391607), (21, 1259073), (27, 979279), (37, 714609), (57, 463869), (63, 419691), (111, 238203), (133, 198801), (171, 154623), (189, 139897), (199, 132867), (259, 102087), (333, 79401), (399, 66267), (513, 51541), (597, 44289), (703, 37611), (777, 34029), (999, 26467), (1197, 22089), (1393, 18981), (1791, 14763), (2109, 12537), (2331, 11343), (3591, 7363), (3781, 6993), (4179, 6327), (4921, 5373)]