20162728089

素因数分解:

$3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{961091}}^1$

素因数の和:961147

約数の個数: 40

約数和(自身を含む): 35352808128

約数和(自身を除く): 15190080039

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 81, 111, 189, 259, 333, 567, 777, 999, 2331, 2997, 6993, 20979, 961091, 2883273, 6727637, 8649819, 20182911, 25949457, 35560367, 60548733, 77848371, 106681101, 181646199, 248922569, 320043303, 544938597, 746767707, 960129909, 2240303121, 2880389727, 6720909363, 20162728089]

約数ペア:

[(1, 20162728089), (3, 6720909363), (7, 2880389727), (9, 2240303121), (21, 960129909), (27, 746767707), (37, 544938597), (63, 320043303), (81, 248922569), (111, 181646199), (189, 106681101), (259, 77848371), (333, 60548733), (567, 35560367), (777, 25949457), (999, 20182911), (2331, 8649819), (2997, 6727637), (6993, 2883273), (20979, 961091)]