80001855

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{57349}}^1$

素因数の和:57391

約数の個数: 24

約数和(自身を含む): 143145600

約数和(自身を除く): 63143745

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 57349, 172047, 286745, 516141, 860235, 1777819, 2580705, 5333457, 8889095, 16000371, 26667285, 80001855]

約数ペア:

[(1, 80001855), (3, 26667285), (5, 16000371), (9, 8889095), (15, 5333457), (31, 2580705), (45, 1777819), (93, 860235), (155, 516141), (279, 286745), (465, 172047), (1395, 57349)]