80811465

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{40507}}^1$

素因数の和:40541

約数の個数: 32

約数和(自身を含む): 155550720

約数和(自身を除く): 74739255

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 40507, 121521, 202535, 283549, 607605, 769633, 850647, 1417745, 2308899, 3848165, 4253235, 5387431, 11544495, 16162293, 26937155, 80811465]

約数ペア:

[(1, 80811465), (3, 26937155), (5, 16162293), (7, 11544495), (15, 5387431), (19, 4253235), (21, 3848165), (35, 2308899), (57, 1417745), (95, 850647), (105, 769633), (133, 607605), (285, 283549), (399, 202535), (665, 121521), (1995, 40507)]