66605745

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{971}}^1$

素因数の和:1265

約数の個数: 32

約数和(自身を含む): 113374080

約数和(自身を除く): 46768335

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 269, 807, 971, 1345, 2913, 4035, 4573, 4855, 13719, 14565, 16507, 22865, 49521, 68595, 82535, 247605, 261199, 783597, 1305995, 3917985, 4440383, 13321149, 22201915, 66605745]

約数ペア:

[(1, 66605745), (3, 22201915), (5, 13321149), (15, 4440383), (17, 3917985), (51, 1305995), (85, 783597), (255, 261199), (269, 247605), (807, 82535), (971, 68595), (1345, 49521), (2913, 22865), (4035, 16507), (4573, 14565), (4855, 13719)]