254935815

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{1051}}^1$

素因数の和:1319

約数の個数: 32

約数和(自身を含む): 414875136

約数和(自身を除く): 159939321

約数列:

[1, 3, 5, 15, 103, 157, 309, 471, 515, 785, 1051, 1545, 2355, 3153, 5255, 15765, 16171, 48513, 80855, 108253, 165007, 242565, 324759, 495021, 541265, 825035, 1623795, 2475105, 16995721, 50987163, 84978605, 254935815]

約数ペア:

[(1, 254935815), (3, 84978605), (5, 50987163), (15, 16995721), (103, 2475105), (157, 1623795), (309, 825035), (471, 541265), (515, 495021), (785, 324759), (1051, 242565), (1545, 165007), (2355, 108253), (3153, 80855), (5255, 48513), (15765, 16171)]