661440147291

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4451}}^1\times {\mathrm{71479}}^1$

素因数の和:75957

約数の個数: 64

約数和(自身を含む): 1221999206400

約数和(自身を除く): 560559059109

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 4451, 13353, 31157, 40059, 48961, 71479, 93471, 120177, 146883, 214437, 280413, 342727, 440649, 500353, 643311, 786269, 841239, 1028181, 1321947, 1501059, 1929933, 2358807, 3084543, 4503177, 5503883, 7076421, 9253629, 13509531, 16511649, 21229263, 49534947, 148604841, 318153029, 954459087, 2227071203, 2863377261, 3499683319, 6681213609, 8590131783, 10499049957, 20043640827, 24497783233, 31497149871, 60130922481, 73493349699, 94491449613, 220480049097, 661440147291]

約数ペア:

[(1, 661440147291), (3, 220480049097), (7, 94491449613), (9, 73493349699), (11, 60130922481), (21, 31497149871), (27, 24497783233), (33, 20043640827), (63, 10499049957), (77, 8590131783), (99, 6681213609), (189, 3499683319), (231, 2863377261), (297, 2227071203), (693, 954459087), (2079, 318153029), (4451, 148604841), (13353, 49534947), (31157, 21229263), (40059, 16511649), (48961, 13509531), (71479, 9253629), (93471, 7076421), (120177, 5503883), (146883, 4503177), (214437, 3084543), (280413, 2358807), (342727, 1929933), (440649, 1501059), (500353, 1321947), (643311, 1028181), (786269, 841239)]