28054485

素因数分解:

$3^3\times 5^1\times {\mathrm{207811}}^1$

素因数の和:207825

約数の個数: 16

約数和(自身を含む): 49874880

約数和(自身を除く): 21820395

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 207811, 623433, 1039055, 1870299, 3117165, 5610897, 9351495, 28054485]

約数ペア:

[(1, 28054485), (3, 9351495), (5, 5610897), (9, 3117165), (15, 1870299), (27, 1039055), (45, 623433), (135, 207811)]