81487545

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{1433}}^1$

素因数の和:1681

約数の個数: 32

約数和(自身を含む): 138765312

約数和(自身を除く): 57277767

約数列:

[1, 3, 5, 15, 17, 51, 85, 223, 255, 669, 1115, 1433, 3345, 3791, 4299, 7165, 11373, 18955, 21495, 24361, 56865, 73083, 121805, 319559, 365415, 958677, 1597795, 4793385, 5432503, 16297509, 27162515, 81487545]

約数ペア:

[(1, 81487545), (3, 27162515), (5, 16297509), (15, 5432503), (17, 4793385), (51, 1597795), (85, 958677), (223, 365415), (255, 319559), (669, 121805), (1115, 73083), (1433, 56865), (3345, 24361), (3791, 21495), (4299, 18955), (7165, 11373)]