12821626821

素因数分解:

$3^1\times {\mathrm{647}}^1\times {\mathrm{907}}^1\times {\mathrm{7283}}^1$

素因数の和:8840

約数の個数: 16

約数和(自身を含む): 17143156224

約数和(自身を除く): 4321529403

約数列:

[1, 3, 647, 907, 1941, 2721, 7283, 21849, 586829, 1760487, 4712101, 6605681, 14136303, 19817043, 4273875607, 12821626821]

約数ペア:

[(1, 12821626821), (3, 4273875607), (647, 19817043), (907, 14136303), (1941, 6605681), (2721, 4712101), (7283, 1760487), (21849, 586829)]