81125808

素因数分解:

$2^4\times 3^1\times {\mathrm{1690121}}^1$

素因数の和:1690132

約数の個数: 20

約数和(自身を含む): 209575128

約数和(自身を除く): 128449320

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 1690121, 3380242, 5070363, 6760484, 10140726, 13520968, 20281452, 27041936, 40562904, 81125808]

約数ペア:

[(1, 81125808), (2, 40562904), (3, 27041936), (4, 20281452), (6, 13520968), (8, 10140726), (12, 6760484), (16, 5070363), (24, 3380242), (48, 1690121)]