818220819

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1\times {\mathrm{3187}}^1$

素因数の和:3459

約数の個数: 32

約数和(自身を含む): 1221131520

約数和(自身を除く): 402910701

約数列:

[1, 3, 13, 29, 39, 87, 227, 377, 681, 1131, 2951, 3187, 6583, 8853, 9561, 19749, 41431, 85579, 92423, 124293, 256737, 277269, 723449, 1201499, 2170347, 3604497, 9404837, 20980021, 28214511, 62940063, 272740273, 818220819]

約数ペア:

[(1, 818220819), (3, 272740273), (13, 62940063), (29, 28214511), (39, 20980021), (87, 9404837), (227, 3604497), (377, 2170347), (681, 1201499), (1131, 723449), (2951, 277269), (3187, 256737), (6583, 124293), (8853, 92423), (9561, 85579), (19749, 41431)]