2013209991

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{133387}}^1$

素因数の和:133452

約数の個数: 32

約数和(自身を含む): 3286680320

約数和(自身を除く): 1273470329

約数列:

[1, 3, 9, 13, 27, 39, 43, 117, 129, 351, 387, 559, 1161, 1677, 5031, 15093, 133387, 400161, 1200483, 1734031, 3601449, 5202093, 5735641, 15606279, 17206923, 46818837, 51620769, 74563333, 154862307, 223689999, 671069997, 2013209991]

約数ペア:

[(1, 2013209991), (3, 671069997), (9, 223689999), (13, 154862307), (27, 74563333), (39, 51620769), (43, 46818837), (117, 17206923), (129, 15606279), (351, 5735641), (387, 5202093), (559, 3601449), (1161, 1734031), (1677, 1200483), (5031, 400161), (15093, 133387)]