210901311

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{599}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 336960000

約数和(自身を除く): 126058689

約数列:

[1, 3, 9, 19, 29, 57, 71, 87, 171, 213, 261, 551, 599, 639, 1349, 1653, 1797, 2059, 4047, 4959, 5391, 6177, 11381, 12141, 17371, 18531, 34143, 39121, 42529, 52113, 102429, 117363, 127587, 156339, 330049, 352089, 382761, 808051, 990147, 1233341, 2424153, 2970441, 3700023, 7272459, 11100069, 23433479, 70300437, 210901311]

約数ペア:

[(1, 210901311), (3, 70300437), (9, 23433479), (19, 11100069), (29, 7272459), (57, 3700023), (71, 2970441), (87, 2424153), (171, 1233341), (213, 990147), (261, 808051), (551, 382761), (599, 352089), (639, 330049), (1349, 156339), (1653, 127587), (1797, 117363), (2059, 102429), (4047, 52113), (4959, 42529), (5391, 39121), (6177, 34143), (11381, 18531), (12141, 17371)]