81321765

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{13127}}^1$

素因数の和:13201

約数の個数: 32

約数和(自身を含む): 151234560

約数和(自身を除く): 69912795

約数列:

[1, 3, 5, 7, 15, 21, 35, 59, 105, 177, 295, 413, 885, 1239, 2065, 6195, 13127, 39381, 65635, 91889, 196905, 275667, 459445, 774493, 1378335, 2323479, 3872465, 5421451, 11617395, 16264353, 27107255, 81321765]

約数ペア:

[(1, 81321765), (3, 27107255), (5, 16264353), (7, 11617395), (15, 5421451), (21, 3872465), (35, 2323479), (59, 1378335), (105, 774493), (177, 459445), (295, 275667), (413, 196905), (885, 91889), (1239, 65635), (2065, 39381), (6195, 13127)]