27719415

素因数分解:

$3^4\times 5^1\times {\mathrm{68443}}^1$

素因数の和:68460

約数の個数: 20

約数和(自身を含む): 49690344

約数和(自身を除く): 21970929

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 68443, 205329, 342215, 615987, 1026645, 1847961, 3079935, 5543883, 9239805, 27719415]

約数ペア:

[(1, 27719415), (3, 9239805), (5, 5543883), (9, 3079935), (15, 1847961), (27, 1026645), (45, 615987), (81, 342215), (135, 205329), (405, 68443)]