80424165

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{521}}^1$

素因数の和:821

約数の個数: 32

約数和(自身を含む): 132596352

約数和(自身を除く): 52172187

約数列:

[1, 3, 5, 15, 41, 123, 205, 251, 521, 615, 753, 1255, 1563, 2605, 3765, 7815, 10291, 21361, 30873, 51455, 64083, 106805, 130771, 154365, 320415, 392313, 653855, 1961565, 5361611, 16084833, 26808055, 80424165]

約数ペア:

[(1, 80424165), (3, 26808055), (5, 16084833), (15, 5361611), (41, 1961565), (123, 653855), (205, 392313), (251, 320415), (521, 154365), (615, 130771), (753, 106805), (1255, 64083), (1563, 51455), (2605, 30873), (3765, 21361), (7815, 10291)]