638864091

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{4093}}^1$

素因数の和:4193

約数の個数: 40

約数和(自身を含む): 998673984

約数和(自身を除く): 359809893

約数列:

[1, 3, 9, 27, 41, 47, 81, 123, 141, 369, 423, 1107, 1269, 1927, 3321, 3807, 4093, 5781, 12279, 17343, 36837, 52029, 110511, 156087, 167813, 192371, 331533, 503439, 577113, 1510317, 1731339, 4530951, 5194017, 7887211, 13592853, 15582051, 23661633, 70984899, 212954697, 638864091]

約数ペア:

[(1, 638864091), (3, 212954697), (9, 70984899), (27, 23661633), (41, 15582051), (47, 13592853), (81, 7887211), (123, 5194017), (141, 4530951), (369, 1731339), (423, 1510317), (1107, 577113), (1269, 503439), (1927, 331533), (3321, 192371), (3807, 167813), (4093, 156087), (5781, 110511), (12279, 52029), (17343, 36837)]