161856105

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1\times {\mathrm{1373}}^1$

素因数の和:1681

約数の個数: 32

約数和(自身を含む): 269084160

約数和(自身を除く): 107228055

約数列:

[1, 3, 5, 15, 29, 87, 145, 271, 435, 813, 1355, 1373, 4065, 4119, 6865, 7859, 20595, 23577, 39295, 39817, 117885, 119451, 199085, 372083, 597255, 1116249, 1860415, 5581245, 10790407, 32371221, 53952035, 161856105]

約数ペア:

[(1, 161856105), (3, 53952035), (5, 32371221), (15, 10790407), (29, 5581245), (87, 1860415), (145, 1116249), (271, 597255), (435, 372083), (813, 199085), (1355, 119451), (1373, 117885), (4065, 39817), (4119, 39295), (6865, 23577), (7859, 20595)]