81828123

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1487}}^1$

素因数の和:1603

約数の個数: 32

約数和(自身を含む): 125991936

約数和(自身を除く): 44163813

約数列:

[1, 3, 13, 17, 39, 51, 83, 221, 249, 663, 1079, 1411, 1487, 3237, 4233, 4461, 18343, 19331, 25279, 55029, 57993, 75837, 123421, 328627, 370263, 985881, 1604473, 2098157, 4813419, 6294471, 27276041, 81828123]

約数ペア:

[(1, 81828123), (3, 27276041), (13, 6294471), (17, 4813419), (39, 2098157), (51, 1604473), (83, 985881), (221, 370263), (249, 328627), (663, 123421), (1079, 75837), (1411, 57993), (1487, 55029), (3237, 25279), (4233, 19331), (4461, 18343)]