28130157

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1907}}^1$

素因数の和:2073

約数の個数: 24

約数和(自身を含む): 44647200

約数和(自身を除く): 16517043

約数列:

[1, 3, 9, 11, 33, 99, 149, 447, 1341, 1639, 1907, 4917, 5721, 14751, 17163, 20977, 62931, 188793, 284143, 852429, 2557287, 3125573, 9376719, 28130157]

約数ペア:

[(1, 28130157), (3, 9376719), (9, 3125573), (11, 2557287), (33, 852429), (99, 284143), (149, 188793), (447, 62931), (1341, 20977), (1639, 17163), (1907, 14751), (4917, 5721)]