639349005

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2507251}}^1$

素因数の和:2507276

約数の個数: 16

約数和(自身を含む): 1083132864

約数和(自身を除く): 443783859

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 2507251, 7521753, 12536255, 37608765, 42623267, 127869801, 213116335, 639349005]

約数ペア:

[(1, 639349005), (3, 213116335), (5, 127869801), (15, 42623267), (17, 37608765), (51, 12536255), (85, 7521753), (255, 2507251)]