201221605

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{182101}}^1$

素因数の和:182136

約数の個数: 16

約数和(自身を含む): 275338224

約数和(自身を除く): 74116619

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 182101, 910505, 2367313, 3095717, 11836565, 15478585, 40244321, 201221605]

約数ペア:

[(1, 201221605), (5, 40244321), (13, 15478585), (17, 11836565), (65, 3095717), (85, 2367313), (221, 910505), (1105, 182101)]