81643863

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1511}}^1$

素因数の和:1635

約数の個数: 32

約数和(自身を含む): 130056192

約数和(自身を除く): 48412329

約数列:

[1, 3, 7, 21, 31, 83, 93, 217, 249, 581, 651, 1511, 1743, 2573, 4533, 7719, 10577, 18011, 31731, 46841, 54033, 125413, 140523, 327887, 376239, 877891, 983661, 2633673, 3887803, 11663409, 27214621, 81643863]

約数ペア:

[(1, 81643863), (3, 27214621), (7, 11663409), (21, 3887803), (31, 2633673), (83, 983661), (93, 877891), (217, 376239), (249, 327887), (581, 140523), (651, 125413), (1511, 54033), (1743, 46841), (2573, 31731), (4533, 18011), (7719, 10577)]