323217531

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20771}}^1$

素因数の和:20816

約数の個数: 48

約数和(自身を含む): 604880640

約数和(自身を除く): 281663109

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 57, 63, 91, 117, 133, 171, 247, 273, 399, 741, 819, 1197, 1729, 2223, 5187, 15561, 20771, 62313, 145397, 186939, 270023, 394649, 436191, 810069, 1183947, 1308573, 1890161, 2430207, 2762543, 3551841, 5130437, 5670483, 8287629, 15391311, 17011449, 24862887, 35913059, 46173933, 107739177, 323217531]

約数ペア:

[(1, 323217531), (3, 107739177), (7, 46173933), (9, 35913059), (13, 24862887), (19, 17011449), (21, 15391311), (39, 8287629), (57, 5670483), (63, 5130437), (91, 3551841), (117, 2762543), (133, 2430207), (171, 1890161), (247, 1308573), (273, 1183947), (399, 810069), (741, 436191), (819, 394649), (1197, 270023), (1729, 186939), (2223, 145397), (5187, 62313), (15561, 20771)]