2190727

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1237}}^1$

素因数の和:1278

約数の個数: 16

約数和(自身を含む): 2852352

約数和(自身を除く): 661625

約数列:

[1, 7, 11, 23, 77, 161, 253, 1237, 1771, 8659, 13607, 28451, 95249, 199157, 312961, 2190727]

約数ペア:

[(1, 2190727), (7, 312961), (11, 199157), (23, 95249), (77, 28451), (161, 13607), (253, 8659), (1237, 1771)]