20161944873

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{70321}}^1$

素因数の和:70415

約数の個数: 64

約数和(自身を含む): 35914851840

約数和(自身を除く): 15752906967

約数列:

[1, 3, 7, 9, 21, 27, 37, 41, 63, 111, 123, 189, 259, 287, 333, 369, 777, 861, 999, 1107, 1517, 2331, 2583, 4551, 6993, 7749, 10619, 13653, 31857, 40959, 70321, 95571, 210963, 286713, 492247, 632889, 1476741, 1898667, 2601877, 2883161, 4430223, 7805631, 8649483, 13290669, 18213139, 20182127, 23416893, 25948449, 54639417, 60546381, 70250679, 77845347, 106676957, 163918251, 181639143, 320030871, 491754753, 544917429, 746738699, 960092613, 2240216097, 2880277839, 6720648291, 20161944873]

約数ペア:

[(1, 20161944873), (3, 6720648291), (7, 2880277839), (9, 2240216097), (21, 960092613), (27, 746738699), (37, 544917429), (41, 491754753), (63, 320030871), (111, 181639143), (123, 163918251), (189, 106676957), (259, 77845347), (287, 70250679), (333, 60546381), (369, 54639417), (777, 25948449), (861, 23416893), (999, 20182127), (1107, 18213139), (1517, 13290669), (2331, 8649483), (2583, 7805631), (4551, 4430223), (6993, 2883161), (7749, 2601877), (10619, 1898667), (13653, 1476741), (31857, 632889), (40959, 492247), (70321, 286713), (95571, 210963)]