1213804557

素因数分解:

$3^2\times 7^1\times {\mathrm{911}}^1\times {\mathrm{21149}}^1$

素因数の和:22073

約数の個数: 24

約数和(自身を含む): 2006035200

約数和(自身を除く): 792230643

約数列:

[1, 3, 7, 9, 21, 63, 911, 2733, 6377, 8199, 19131, 21149, 57393, 63447, 148043, 190341, 444129, 1332387, 19266739, 57800217, 134867173, 173400651, 404601519, 1213804557]

約数ペア:

[(1, 1213804557), (3, 404601519), (7, 173400651), (9, 134867173), (21, 57800217), (63, 19266739), (911, 1332387), (2733, 444129), (6377, 190341), (8199, 148043), (19131, 63447), (21149, 57393)]