2217915

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{2347}}^1$

素因数の和:2368

約数の個数: 32

約数和(自身を含む): 4508160

約数和(自身を除く): 2290245

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 2347, 7041, 11735, 16429, 21123, 35205, 49287, 63369, 82145, 105615, 147861, 246435, 316845, 443583, 739305, 2217915]

約数ペア:

[(1, 2217915), (3, 739305), (5, 443583), (7, 316845), (9, 246435), (15, 147861), (21, 105615), (27, 82145), (35, 63369), (45, 49287), (63, 35205), (105, 21123), (135, 16429), (189, 11735), (315, 7041), (945, 2347)]