81131785

素因数分解:

$5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 114566400

約数和(自身を除く): 33434615

約数列:

[1, 5, 7, 35, 59, 101, 295, 389, 413, 505, 707, 1945, 2065, 2723, 3535, 5959, 13615, 22951, 29795, 39289, 41713, 114755, 160657, 196445, 208565, 275023, 803285, 1375115, 2318051, 11590255, 16226357, 81131785]

約数ペア:

[(1, 81131785), (5, 16226357), (7, 11590255), (35, 2318051), (59, 1375115), (101, 803285), (295, 275023), (389, 208565), (413, 196445), (505, 160657), (707, 114755), (1945, 41713), (2065, 39289), (2723, 29795), (3535, 22951), (5959, 13615)]