81347665

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{727}}^1$

素因数の和:901

約数の個数: 32

約数和(自身を含む): 117411840

約数和(自身を除く): 36064175

約数列:

[1, 5, 7, 23, 35, 115, 139, 161, 695, 727, 805, 973, 3197, 3635, 4865, 5089, 15985, 16721, 22379, 25445, 83605, 101053, 111895, 117047, 505265, 585235, 707371, 2324219, 3536855, 11621095, 16269533, 81347665]

約数ペア:

[(1, 81347665), (5, 16269533), (7, 11621095), (23, 3536855), (35, 2324219), (115, 707371), (139, 585235), (161, 505265), (695, 117047), (727, 111895), (805, 101053), (973, 83605), (3197, 25445), (3635, 22379), (4865, 16721), (5089, 15985)]