128222757

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{463}}^1$

素因数の和:751

約数の個数: 40

約数和(自身を含む): 207508224

約数和(自身を除く): 79285467

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 263, 351, 463, 789, 1053, 1389, 2367, 3419, 4167, 6019, 7101, 10257, 12501, 18057, 21303, 30771, 37503, 54171, 92313, 121769, 162513, 276939, 365307, 487539, 1095921, 1582997, 3287763, 4748991, 9863289, 14246973, 42740919, 128222757]

約数ペア:

[(1, 128222757), (3, 42740919), (9, 14246973), (13, 9863289), (27, 4748991), (39, 3287763), (81, 1582997), (117, 1095921), (263, 487539), (351, 365307), (463, 276939), (789, 162513), (1053, 121769), (1389, 92313), (2367, 54171), (3419, 37503), (4167, 30771), (6019, 21303), (7101, 18057), (10257, 12501)]