138331395

素因数分解:

$3^6\times 5^1\times {\mathrm{37951}}^1$

素因数の和:37974

約数の個数: 28

約数和(自身を含む): 248889216

約数和(自身を除く): 110557821

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 37951, 113853, 189755, 341559, 569265, 1024677, 1707795, 3074031, 5123385, 9222093, 15370155, 27666279, 46110465, 138331395]

約数ペア:

[(1, 138331395), (3, 46110465), (5, 27666279), (9, 15370155), (15, 9222093), (27, 5123385), (45, 3074031), (81, 1707795), (135, 1024677), (243, 569265), (405, 341559), (729, 189755), (1215, 113853), (3645, 37951)]