211440915

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{223747}}^1$

素因数の和:223768

約数の個数: 32

約数和(自身を含む): 429596160

約数和(自身を除く): 218155245

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 223747, 671241, 1118735, 1566229, 2013723, 3356205, 4698687, 6041169, 7831145, 10068615, 14096061, 23493435, 30205845, 42288183, 70480305, 211440915]

約数ペア:

[(1, 211440915), (3, 70480305), (5, 42288183), (7, 30205845), (9, 23493435), (15, 14096061), (21, 10068615), (27, 7831145), (35, 6041169), (45, 4698687), (63, 3356205), (105, 2013723), (135, 1566229), (189, 1118735), (315, 671241), (945, 223747)]