201778871013

素因数分解:

$3^4\times {\mathrm{1399}}^1\times {\mathrm{1780627}}^1$

素因数の和:1782038

約数の個数: 20

約数和(自身を含む): 301638383200

約数和(自身を除く): 99859512187

約数列:

[1, 3, 9, 27, 81, 1399, 4197, 12591, 37773, 113319, 1780627, 5341881, 16025643, 48076929, 144230787, 2491097173, 7473291519, 22419874557, 67259623671, 201778871013]

約数ペア:

[(1, 201778871013), (3, 67259623671), (9, 22419874557), (27, 7473291519), (81, 2491097173), (1399, 144230787), (4197, 48076929), (12591, 16025643), (37773, 5341881), (113319, 1780627)]