1243670667

素因数分解:

$3^1\times {\mathrm{149}}^1\times {\mathrm{643}}^1\times {\mathrm{4327}}^1$

素因数の和:5122

約数の個数: 16

約数和(自身を含む): 1672339200

約数和(自身を除く): 428668533

約数列:

[1, 3, 149, 447, 643, 1929, 4327, 12981, 95807, 287421, 644723, 1934169, 2782261, 8346783, 414556889, 1243670667]

約数ペア:

[(1, 1243670667), (3, 414556889), (149, 8346783), (447, 2782261), (643, 1934169), (1929, 644723), (4327, 287421), (12981, 95807)]