211067817

素因数分解:

$3^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1\times {\mathrm{3271}}^1$

素因数の和:3568

約数の個数: 16

約数和(自身を含む): 285370752

約数和(自身を除く): 74302935

約数列:

[1, 3, 137, 157, 411, 471, 3271, 9813, 21509, 64527, 448127, 513547, 1344381, 1540641, 70355939, 211067817]

約数ペア:

[(1, 211067817), (3, 70355939), (137, 1540641), (157, 1344381), (411, 513547), (471, 448127), (3271, 64527), (9813, 21509)]