131620455

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71339}}^1$

素因数の和:71391

約数の個数: 24

約数和(自身を含む): 233709840

約数和(自身を除く): 102089385

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 71339, 214017, 356695, 642051, 1070085, 2924899, 3210255, 8774697, 14624495, 26324091, 43873485, 131620455]

約数ペア:

[(1, 131620455), (3, 43873485), (5, 26324091), (9, 14624495), (15, 8774697), (41, 3210255), (45, 2924899), (123, 1070085), (205, 642051), (369, 356695), (615, 214017), (1845, 71339)]