165890805

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{3571}}^1$

素因数の和:3761

約数の個数: 32

約数和(自身を含む): 281187840

約数和(自身を除く): 115297035

約数列:

[1, 3, 5, 15, 19, 57, 95, 163, 285, 489, 815, 2445, 3097, 3571, 9291, 10713, 15485, 17855, 46455, 53565, 67849, 203547, 339245, 582073, 1017735, 1746219, 2910365, 8731095, 11059387, 33178161, 55296935, 165890805]

約数ペア:

[(1, 165890805), (3, 55296935), (5, 33178161), (15, 11059387), (19, 8731095), (57, 2910365), (95, 1746219), (163, 1017735), (285, 582073), (489, 339245), (815, 203547), (2445, 67849), (3097, 53565), (3571, 46455), (9291, 17855), (10713, 15485)]