1638042225

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1284739}}^1$

素因数の和:1284769

約数の個数: 24

約数和(自身を含む): 2867539680

約数和(自身を除く): 1229497455

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 1284739, 3854217, 6423695, 19271085, 21840563, 32118475, 65521689, 96355425, 109202815, 327608445, 546014075, 1638042225]

約数ペア:

[(1, 1638042225), (3, 546014075), (5, 327608445), (15, 109202815), (17, 96355425), (25, 65521689), (51, 32118475), (75, 21840563), (85, 19271085), (255, 6423695), (425, 3854217), (1275, 1284739)]