271518585

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{6997}}^1$

素因数の和:7217

約数の個数: 32

約数和(自身を含む): 470265600

約数和(自身を除く): 198747015

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 199, 597, 995, 2587, 2985, 6997, 7761, 12935, 20991, 34985, 38805, 90961, 104955, 272883, 454805, 1364415, 1392403, 4177209, 6962015, 18101239, 20886045, 54303717, 90506195, 271518585]

約数ペア:

[(1, 271518585), (3, 90506195), (5, 54303717), (13, 20886045), (15, 18101239), (39, 6962015), (65, 4177209), (195, 1392403), (199, 1364415), (597, 454805), (995, 272883), (2587, 104955), (2985, 90961), (6997, 38805), (7761, 34985), (12935, 20991)]