221361945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{1109}}^1\times {\mathrm{1901}}^1$

素因数の和:3025

約数の個数: 32

約数和(自身を含む): 405354240

約数和(自身を除く): 183992295

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 1109, 1901, 3327, 5545, 5703, 7763, 9505, 13307, 16635, 23289, 28515, 38815, 39921, 66535, 116445, 199605, 2108209, 6324627, 10541045, 14757463, 31623135, 44272389, 73787315, 221361945]

約数ペア:

[(1, 221361945), (3, 73787315), (5, 44272389), (7, 31623135), (15, 14757463), (21, 10541045), (35, 6324627), (105, 2108209), (1109, 199605), (1901, 116445), (3327, 66535), (5545, 39921), (5703, 38815), (7763, 28515), (9505, 23289), (13307, 16635)]