12072921

素因数分解:

$3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{3527}}^1$

素因数の和:3700

約数の個数: 16

約数和(自身を含む): 18514944

約数和(自身を除く): 6442023

約数列:

[1, 3, 7, 21, 163, 489, 1141, 3423, 3527, 10581, 24689, 74067, 574901, 1724703, 4024307, 12072921]

約数ペア:

[(1, 12072921), (3, 4024307), (7, 1724703), (21, 574901), (163, 74067), (489, 24689), (1141, 10581), (3423, 3527)]