291270507

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{1279}}^1$

素因数の和:1463

約数の個数: 32

約数和(自身を含む): 434503680

約数和(自身を除く): 143233173

約数列:

[1, 3, 11, 33, 67, 103, 201, 309, 737, 1133, 1279, 2211, 3399, 3837, 6901, 14069, 20703, 42207, 75911, 85693, 131737, 227733, 257079, 395211, 942623, 1449107, 2827869, 4347321, 8826379, 26479137, 97090169, 291270507]

約数ペア:

[(1, 291270507), (3, 97090169), (11, 26479137), (33, 8826379), (67, 4347321), (103, 2827869), (201, 1449107), (309, 942623), (737, 395211), (1133, 257079), (1279, 227733), (2211, 131737), (3399, 85693), (3837, 75911), (6901, 42207), (14069, 20703)]