161207319

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{1609}}^1$

素因数の和:1999

約数の個数: 32

約数和(自身を含む): 265431040

約数和(自身を除く): 104223721

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 367, 1101, 1609, 2569, 4771, 4827, 7707, 11263, 14313, 20917, 33397, 33789, 62751, 100191, 146419, 439257, 590503, 1771509, 4133521, 7676539, 12400563, 23029617, 53735773, 161207319]

約数ペア:

[(1, 161207319), (3, 53735773), (7, 23029617), (13, 12400563), (21, 7676539), (39, 4133521), (91, 1771509), (273, 590503), (367, 439257), (1101, 146419), (1609, 100191), (2569, 62751), (4771, 33789), (4827, 33397), (7707, 20917), (11263, 14313)]