217522095

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{20113}}^1$

素因数の和:20231

約数の個数: 32

約数和(自身を含む): 401636352

約数和(自身を除く): 184114257

約数列:

[1, 3, 5, 7, 15, 21, 35, 103, 105, 309, 515, 721, 1545, 2163, 3605, 10815, 20113, 60339, 100565, 140791, 301695, 422373, 703955, 2071639, 2111865, 6214917, 10358195, 14501473, 31074585, 43504419, 72507365, 217522095]

約数ペア:

[(1, 217522095), (3, 72507365), (5, 43504419), (7, 31074585), (15, 14501473), (21, 10358195), (35, 6214917), (103, 2111865), (105, 2071639), (309, 703955), (515, 422373), (721, 301695), (1545, 140791), (2163, 100565), (3605, 60339), (10815, 20113)]