1890117

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{397}}^1$

素因数の和:449

約数の個数: 18

約数和(自身を含む): 2861222

約数和(自身を除く): 971105

約数列:

[1, 3, 9, 23, 69, 207, 397, 529, 1191, 1587, 3573, 4761, 9131, 27393, 82179, 210013, 630039, 1890117]

約数ペア:

[(1, 1890117), (3, 630039), (9, 210013), (23, 82179), (69, 27393), (207, 9131), (397, 4761), (529, 3573), (1191, 1587)]