72156903

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{4987}}^1$

素因数の和:5063

約数の個数: 32

約数和(自身を含む): 120669696

約数和(自身を除く): 48512793

約数列:

[1, 3, 7, 13, 21, 39, 53, 91, 159, 273, 371, 689, 1113, 2067, 4823, 4987, 14469, 14961, 34909, 64831, 104727, 194493, 264311, 453817, 792933, 1361451, 1850177, 3436043, 5550531, 10308129, 24052301, 72156903]

約数ペア:

[(1, 72156903), (3, 24052301), (7, 10308129), (13, 5550531), (21, 3436043), (39, 1850177), (53, 1361451), (91, 792933), (159, 453817), (273, 264311), (371, 194493), (689, 104727), (1113, 64831), (2067, 34909), (4823, 14961), (4987, 14469)]