28164255

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{773}}^1$

素因数の和:1135

約数の個数: 32

約数和(自身を含む): 51715584

約数和(自身を除く): 23551329

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 347, 773, 1041, 1735, 2319, 2429, 3865, 5205, 5411, 7287, 11595, 12145, 16233, 27055, 36435, 81165, 268231, 804693, 1341155, 1877617, 4023465, 5632851, 9388085, 28164255]

約数ペア:

[(1, 28164255), (3, 9388085), (5, 5632851), (7, 4023465), (15, 1877617), (21, 1341155), (35, 804693), (105, 268231), (347, 81165), (773, 36435), (1041, 27055), (1735, 16233), (2319, 12145), (2429, 11595), (3865, 7287), (5205, 5411)]