280521585

素因数分解:

$3^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{23003}}^1$

素因数の和:23285

約数の個数: 24

約数和(自身を含む): 488052864

約数和(自身を除く): 207531279

約数列:

[1, 3, 5, 9, 15, 45, 271, 813, 1355, 2439, 4065, 12195, 23003, 69009, 115015, 207027, 345045, 1035135, 6233813, 18701439, 31169065, 56104317, 93507195, 280521585]

約数ペア:

[(1, 280521585), (3, 93507195), (5, 56104317), (9, 31169065), (15, 18701439), (45, 6233813), (271, 1035135), (813, 345045), (1355, 207027), (2439, 115015), (4065, 69009), (12195, 23003)]