28223013

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1543}}^1$

素因数の和:1633

約数の個数: 32

約数和(自身を含む): 47036416

約数和(自身を除く): 18813403

約数列:

[1, 3, 7, 13, 21, 39, 67, 91, 201, 273, 469, 871, 1407, 1543, 2613, 4629, 6097, 10801, 18291, 20059, 32403, 60177, 103381, 140413, 310143, 421239, 723667, 1343953, 2171001, 4031859, 9407671, 28223013]

約数ペア:

[(1, 28223013), (3, 9407671), (7, 4031859), (13, 2171001), (21, 1343953), (39, 723667), (67, 421239), (91, 310143), (201, 140413), (273, 103381), (469, 60177), (871, 32403), (1407, 20059), (1543, 18291), (2613, 10801), (4629, 6097)]