201709305

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{213449}}^1$

素因数の和:213470

約数の個数: 32

約数和(自身を含む): 409824000

約数和(自身を除く): 208114695

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 213449, 640347, 1067245, 1494143, 1921041, 3201735, 4482429, 5763123, 7470715, 9605205, 13447287, 22412145, 28815615, 40341861, 67236435, 201709305]

約数ペア:

[(1, 201709305), (3, 67236435), (5, 40341861), (7, 28815615), (9, 22412145), (15, 13447287), (21, 9605205), (27, 7470715), (35, 5763123), (45, 4482429), (63, 3201735), (105, 1921041), (135, 1494143), (189, 1067245), (315, 640347), (945, 213449)]