81337365

素因数分解:

$3^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{877}}^1$

素因数の和:1123

約数の個数: 40

約数和(自身を含む): 146608440

約数和(自身を除く): 65271075

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 229, 405, 687, 877, 1145, 2061, 2631, 3435, 4385, 6183, 7893, 10305, 13155, 18549, 23679, 30915, 39465, 71037, 92745, 118395, 200833, 355185, 602499, 1004165, 1807497, 3012495, 5422491, 9037485, 16267473, 27112455, 81337365]

約数ペア:

[(1, 81337365), (3, 27112455), (5, 16267473), (9, 9037485), (15, 5422491), (27, 3012495), (45, 1807497), (81, 1004165), (135, 602499), (229, 355185), (405, 200833), (687, 118395), (877, 92745), (1145, 71037), (2061, 39465), (2631, 30915), (3435, 23679), (4385, 18549), (6183, 13155), (7893, 10305)]