13765815

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{2081}}^1$

素因数の和:2109

約数の個数: 48

約数和(自身を含む): 28481760

約数和(自身を除く): 14715945

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 441, 735, 945, 1323, 2081, 2205, 6243, 6615, 10405, 14567, 18729, 31215, 43701, 56187, 72835, 93645, 101969, 131103, 218505, 280935, 305907, 393309, 509845, 655515, 917721, 1529535, 1966545, 2753163, 4588605, 13765815]

約数ペア:

[(1, 13765815), (3, 4588605), (5, 2753163), (7, 1966545), (9, 1529535), (15, 917721), (21, 655515), (27, 509845), (35, 393309), (45, 305907), (49, 280935), (63, 218505), (105, 131103), (135, 101969), (147, 93645), (189, 72835), (245, 56187), (315, 43701), (441, 31215), (735, 18729), (945, 14567), (1323, 10405), (2081, 6615), (2205, 6243)]