77127939

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 132447744

約数和(自身を除く): 55319805

約数列:

[1, 3, 7, 9, 21, 43, 63, 71, 129, 213, 301, 387, 401, 497, 639, 903, 1203, 1491, 2709, 2807, 3053, 3609, 4473, 8421, 9159, 17243, 21371, 25263, 27477, 28471, 51729, 64113, 85413, 120701, 155187, 192339, 199297, 256239, 362103, 597891, 1086309, 1224253, 1793673, 3672759, 8569771, 11018277, 25709313, 77127939]

約数ペア:

[(1, 77127939), (3, 25709313), (7, 11018277), (9, 8569771), (21, 3672759), (43, 1793673), (63, 1224253), (71, 1086309), (129, 597891), (213, 362103), (301, 256239), (387, 199297), (401, 192339), (497, 155187), (639, 120701), (903, 85413), (1203, 64113), (1491, 51729), (2709, 28471), (2807, 27477), (3053, 25263), (3609, 21371), (4473, 17243), (8421, 9159)]