138530979

素因数分解:

$3^4\times {\mathrm{919}}^1\times {\mathrm{1861}}^1$

素因数の和:2792

約数の個数: 20

約数和(自身を含む): 207277840

約数和(自身を除く): 68746861

約数列:

[1, 3, 9, 27, 81, 919, 1861, 2757, 5583, 8271, 16749, 24813, 50247, 74439, 150741, 1710259, 5130777, 15392331, 46176993, 138530979]

約数ペア:

[(1, 138530979), (3, 46176993), (9, 15392331), (27, 5130777), (81, 1710259), (919, 150741), (1861, 74439), (2757, 50247), (5583, 24813), (8271, 16749)]