68296527

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{821}}^1$

素因数の和:925

約数の個数: 40

約数和(自身を含む): 111397440

約数和(自身を除く): 43100913

約数列:

[1, 3, 9, 13, 27, 39, 79, 81, 117, 237, 351, 711, 821, 1027, 1053, 2133, 2463, 3081, 6399, 7389, 9243, 10673, 22167, 27729, 32019, 64859, 66501, 83187, 96057, 194577, 288171, 583731, 843167, 864513, 1751193, 2529501, 5253579, 7588503, 22765509, 68296527]

約数ペア:

[(1, 68296527), (3, 22765509), (9, 7588503), (13, 5253579), (27, 2529501), (39, 1751193), (79, 864513), (81, 843167), (117, 583731), (237, 288171), (351, 194577), (711, 96057), (821, 83187), (1027, 66501), (1053, 64859), (2133, 32019), (2463, 27729), (3081, 22167), (6399, 10673), (7389, 9243)]