56881845

素因数分解:

$3^4\times 5^1\times {\mathrm{140449}}^1$

素因数の和:140466

約数の個数: 20

約数和(自身を含む): 101966700

約数和(自身を除く): 45084855

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 140449, 421347, 702245, 1264041, 2106735, 3792123, 6320205, 11376369, 18960615, 56881845]

約数ペア:

[(1, 56881845), (3, 18960615), (5, 11376369), (9, 6320205), (15, 3792123), (27, 2106735), (45, 1264041), (81, 702245), (135, 421347), (405, 140449)]