28307025

素因数分解:

$3^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{1297}}^1$

素因数の和:1410

約数の個数: 36

約数和(自身を含む): 51263212

約数和(自身を除く): 22956187

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 97, 225, 291, 485, 873, 1297, 1455, 2425, 3891, 4365, 6485, 7275, 11673, 19455, 21825, 32425, 58365, 97275, 125809, 291825, 377427, 629045, 1132281, 1887135, 3145225, 5661405, 9435675, 28307025]

約数ペア:

[(1, 28307025), (3, 9435675), (5, 5661405), (9, 3145225), (15, 1887135), (25, 1132281), (45, 629045), (75, 377427), (97, 291825), (225, 125809), (291, 97275), (485, 58365), (873, 32425), (1297, 21825), (1455, 19455), (2425, 11673), (3891, 7275), (4365, 6485)]