25003005

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1381}}^1$

素因数の和:1477

約数の個数: 32

約数和(自身を含む): 42985728

約数和(自身を除く): 17982723

約数列:

[1, 3, 5, 15, 17, 51, 71, 85, 213, 255, 355, 1065, 1207, 1381, 3621, 4143, 6035, 6905, 18105, 20715, 23477, 70431, 98051, 117385, 294153, 352155, 490255, 1470765, 1666867, 5000601, 8334335, 25003005]

約数ペア:

[(1, 25003005), (3, 8334335), (5, 5000601), (15, 1666867), (17, 1470765), (51, 490255), (71, 352155), (85, 294153), (213, 117385), (255, 98051), (355, 70431), (1065, 23477), (1207, 20715), (1381, 18105), (3621, 6905), (4143, 6035)]