128538111

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1\times {\mathrm{317}}^1$

素因数の和:651

約数の個数: 32

約数和(自身を含む): 190830528

約数和(自身を除く): 62292417

約数列:

[1, 3, 13, 37, 39, 111, 281, 317, 481, 843, 951, 1443, 3653, 4121, 10397, 10959, 11729, 12363, 31191, 35187, 89077, 135161, 152477, 267231, 405483, 457431, 1158001, 3295849, 3474003, 9887547, 42846037, 128538111]

約数ペア:

[(1, 128538111), (3, 42846037), (13, 9887547), (37, 3474003), (39, 3295849), (111, 1158001), (281, 457431), (317, 405483), (481, 267231), (843, 152477), (951, 135161), (1443, 89077), (3653, 35187), (4121, 31191), (10397, 12363), (10959, 11729)]