81246879

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1193}}^1$

素因数の和:1276

約数の個数: 48

約数和(自身を含む): 143050752

約数和(自身を除く): 61803873

約数列:

[1, 3, 7, 9, 21, 23, 47, 63, 69, 141, 161, 207, 329, 423, 483, 987, 1081, 1193, 1449, 2961, 3243, 3579, 7567, 8351, 9729, 10737, 22701, 25053, 27439, 56071, 68103, 75159, 82317, 168213, 192073, 246951, 392497, 504639, 576219, 1177491, 1289633, 1728657, 3532473, 3868899, 9027431, 11606697, 27082293, 81246879]

約数ペア:

[(1, 81246879), (3, 27082293), (7, 11606697), (9, 9027431), (21, 3868899), (23, 3532473), (47, 1728657), (63, 1289633), (69, 1177491), (141, 576219), (161, 504639), (207, 392497), (329, 246951), (423, 192073), (483, 168213), (987, 82317), (1081, 75159), (1193, 68103), (1449, 56071), (2961, 27439), (3243, 25053), (3579, 22701), (7567, 10737), (8351, 9729)]