202179915

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{213947}}^1$

素因数の和:213968

約数の個数: 32

約数和(自身を含む): 410780160

約数和(自身を除く): 208600245

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 213947, 641841, 1069735, 1497629, 1925523, 3209205, 4492887, 5776569, 7488145, 9627615, 13478661, 22464435, 28882845, 40435983, 67393305, 202179915]

約数ペア:

[(1, 202179915), (3, 67393305), (5, 40435983), (7, 28882845), (9, 22464435), (15, 13478661), (21, 9627615), (27, 7488145), (35, 5776569), (45, 4492887), (63, 3209205), (105, 1925523), (135, 1497629), (189, 1069735), (315, 641841), (945, 213947)]