72839643

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{277}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 105470976

約数和(自身を除く): 32631333

約数列:

[1, 3, 23, 37, 69, 103, 111, 277, 309, 831, 851, 2369, 2553, 3811, 6371, 7107, 10249, 11433, 19113, 28531, 30747, 85593, 87653, 235727, 262959, 656213, 707181, 1055647, 1968639, 3166941, 24279881, 72839643]

約数ペア:

[(1, 72839643), (3, 24279881), (23, 3166941), (37, 1968639), (69, 1055647), (103, 707181), (111, 656213), (277, 262959), (309, 235727), (831, 87653), (851, 85593), (2369, 30747), (2553, 28531), (3811, 19113), (6371, 11433), (7107, 10249)]