277008771

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{541}}^1\times {\mathrm{691}}^1$

素因数の和:1267

約数の個数: 32

約数和(自身を含む): 420071680

約数和(自身を除く): 143062909

約数列:

[1, 3, 13, 19, 39, 57, 247, 541, 691, 741, 1623, 2073, 7033, 8983, 10279, 13129, 21099, 26949, 30837, 39387, 133627, 170677, 373831, 400881, 512031, 1121493, 4859803, 7102789, 14579409, 21308367, 92336257, 277008771]

約数ペア:

[(1, 277008771), (3, 92336257), (13, 21308367), (19, 14579409), (39, 7102789), (57, 4859803), (247, 1121493), (541, 512031), (691, 400881), (741, 373831), (1623, 170677), (2073, 133627), (7033, 39387), (8983, 30837), (10279, 26949), (13129, 21099)]