81579069

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7043}}^1$

素因数の和:7079

約数の個数: 40

約数和(自身を含む): 143190432

約数和(自身を除く): 61611363

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 81, 99, 117, 143, 297, 351, 429, 891, 1053, 1287, 3861, 7043, 11583, 21129, 63387, 77473, 91559, 190161, 232419, 274677, 570483, 697257, 824031, 1007149, 2091771, 2472093, 3021447, 6275313, 7416279, 9064341, 27193023, 81579069]

約数ペア:

[(1, 81579069), (3, 27193023), (9, 9064341), (11, 7416279), (13, 6275313), (27, 3021447), (33, 2472093), (39, 2091771), (81, 1007149), (99, 824031), (117, 697257), (143, 570483), (297, 274677), (351, 232419), (429, 190161), (891, 91559), (1053, 77473), (1287, 63387), (3861, 21129), (7043, 11583)]