28753011

素因数分解:

$3^2\times 7^1\times {\mathrm{229}}^1\times {\mathrm{1993}}^1$

素因数の和:2235

約数の個数: 24

約数和(自身を含む): 47696480

約数和(自身を除く): 18943469

約数列:

[1, 3, 7, 9, 21, 63, 229, 687, 1603, 1993, 2061, 4809, 5979, 13951, 14427, 17937, 41853, 125559, 456397, 1369191, 3194779, 4107573, 9584337, 28753011]

約数ペア:

[(1, 28753011), (3, 9584337), (7, 4107573), (9, 3194779), (21, 1369191), (63, 456397), (229, 125559), (687, 41853), (1603, 17937), (1993, 14427), (2061, 13951), (4809, 5979)]