7881225

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 14624064

約数和(自身を除く): 6742839

約数列:

[1, 3, 5, 11, 15, 25, 33, 41, 55, 75, 123, 165, 205, 233, 275, 451, 615, 699, 825, 1025, 1165, 1353, 2255, 2563, 3075, 3495, 5825, 6765, 7689, 9553, 11275, 12815, 17475, 28659, 33825, 38445, 47765, 64075, 105083, 143295, 192225, 238825, 315249, 525415, 716475, 1576245, 2627075, 7881225]

約数ペア:

[(1, 7881225), (3, 2627075), (5, 1576245), (11, 716475), (15, 525415), (25, 315249), (33, 238825), (41, 192225), (55, 143295), (75, 105083), (123, 64075), (165, 47765), (205, 38445), (233, 33825), (275, 28659), (451, 17475), (615, 12815), (699, 11275), (825, 9553), (1025, 7689), (1165, 6765), (1353, 5825), (2255, 3495), (2563, 3075)]