89380815

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{857}}^1$

素因数の和:1291

約数の個数: 32

約数和(自身を含む): 151968960

約数和(自身を除く): 62588145

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 409, 857, 1227, 2045, 2571, 4285, 6135, 6953, 12855, 14569, 20859, 34765, 43707, 72845, 104295, 218535, 350513, 1051539, 1752565, 5257695, 5958721, 17876163, 29793605, 89380815]

約数ペア:

[(1, 89380815), (3, 29793605), (5, 17876163), (15, 5958721), (17, 5257695), (51, 1752565), (85, 1051539), (255, 350513), (409, 218535), (857, 104295), (1227, 72845), (2045, 43707), (2571, 34765), (4285, 20859), (6135, 14569), (6953, 12855)]