2190201

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{631}}^1$

素因数の和:736

約数の個数: 16

約数和(自身を含む): 3185280

約数和(自身を除く): 995079

約数列:

[1, 3, 13, 39, 89, 267, 631, 1157, 1893, 3471, 8203, 24609, 56159, 168477, 730067, 2190201]

約数ペア:

[(1, 2190201), (3, 730067), (13, 168477), (39, 56159), (89, 24609), (267, 8203), (631, 3471), (1157, 1893)]