142706205

素因数分解:

$3^4\times 5^1\times {\mathrm{352361}}^1$

素因数の和:352378

約数の個数: 20

約数和(自身を含む): 255814812

約数和(自身を除く): 113108607

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 352361, 1057083, 1761805, 3171249, 5285415, 9513747, 15856245, 28541241, 47568735, 142706205]

約数ペア:

[(1, 142706205), (3, 47568735), (5, 28541241), (9, 15856245), (15, 9513747), (27, 5285415), (45, 3171249), (81, 1761805), (135, 1057083), (405, 352361)]