27720915

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{27583}}^1$

素因数の和:27658

約数の個数: 16

約数和(自身を含む): 45017088

約数和(自身を除く): 17296173

約数列:

[1, 3, 5, 15, 67, 201, 335, 1005, 27583, 82749, 137915, 413745, 1848061, 5544183, 9240305, 27720915]

約数ペア:

[(1, 27720915), (3, 9240305), (5, 5544183), (15, 1848061), (67, 413745), (201, 137915), (335, 82749), (1005, 27583)]