39990255

素因数分解:

$3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{16981}}^1$

素因数の和:17146

約数の個数: 16

約数和(自身を含む): 64395744

約数和(自身を除く): 24405489

約数列:

[1, 3, 5, 15, 157, 471, 785, 2355, 16981, 50943, 84905, 254715, 2666017, 7998051, 13330085, 39990255]

約数ペア:

[(1, 39990255), (3, 13330085), (5, 7998051), (15, 2666017), (157, 254715), (471, 84905), (785, 50943), (2355, 16981)]