821486127

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{12391}}^1$

素因数の和:12460

約数の個数: 48

約数和(自身を含む): 1423989504

約数和(自身を除く): 602503377

約数列:

[1, 3, 7, 11, 21, 33, 41, 49, 77, 123, 147, 231, 287, 451, 539, 861, 1353, 1617, 2009, 3157, 6027, 9471, 12391, 22099, 37173, 66297, 86737, 136301, 260211, 408903, 508031, 607159, 954107, 1524093, 1821477, 2862321, 3556217, 5588341, 6678749, 10668651, 16765023, 20036247, 24893519, 39118387, 74680557, 117355161, 273828709, 821486127]

約数ペア:

[(1, 821486127), (3, 273828709), (7, 117355161), (11, 74680557), (21, 39118387), (33, 24893519), (41, 20036247), (49, 16765023), (77, 10668651), (123, 6678749), (147, 5588341), (231, 3556217), (287, 2862321), (451, 1821477), (539, 1524093), (861, 954107), (1353, 607159), (1617, 508031), (2009, 408903), (3157, 260211), (6027, 136301), (9471, 86737), (12391, 66297), (22099, 37173)]