80158005

素因数分解:

$3^4\times 5^1\times {\mathrm{197921}}^1$

素因数の和:197938

約数の個数: 20

約数和(自身を含む): 143691372

約数和(自身を除く): 63533367

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 197921, 593763, 989605, 1781289, 2968815, 5343867, 8906445, 16031601, 26719335, 80158005]

約数ペア:

[(1, 80158005), (3, 26719335), (5, 16031601), (9, 8906445), (15, 5343867), (27, 2968815), (45, 1781289), (81, 989605), (135, 593763), (405, 197921)]