2988531

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 5503680

約数和(自身を除く): 2515149

約数列:

[1, 3, 7, 9, 13, 21, 39, 41, 63, 89, 91, 117, 123, 267, 273, 287, 369, 533, 623, 801, 819, 861, 1157, 1599, 1869, 2583, 3471, 3649, 3731, 4797, 5607, 8099, 10413, 10947, 11193, 24297, 25543, 32841, 33579, 47437, 72891, 76629, 142311, 229887, 332059, 426933, 996177, 2988531]

約数ペア:

[(1, 2988531), (3, 996177), (7, 426933), (9, 332059), (13, 229887), (21, 142311), (39, 76629), (41, 72891), (63, 47437), (89, 33579), (91, 32841), (117, 25543), (123, 24297), (267, 11193), (273, 10947), (287, 10413), (369, 8099), (533, 5607), (623, 4797), (801, 3731), (819, 3649), (861, 3471), (1157, 2583), (1599, 1869)]