20171105487

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{821}}^1\times {\mathrm{69997}}^1$

素因数の和:70840

約数の個数: 32

約数和(自身を含む): 32221479360

約数和(自身を除く): 12050373873

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 821, 2463, 7389, 10673, 22167, 32019, 69997, 96057, 209991, 288171, 629973, 909961, 1889919, 2729883, 8189649, 24568947, 57467537, 172402611, 517207833, 747077981, 1551623499, 2241233943, 6723701829, 20171105487]

約数ペア:

[(1, 20171105487), (3, 6723701829), (9, 2241233943), (13, 1551623499), (27, 747077981), (39, 517207833), (117, 172402611), (351, 57467537), (821, 24568947), (2463, 8189649), (7389, 2729883), (10673, 1889919), (22167, 909961), (32019, 629973), (69997, 288171), (96057, 209991)]