28107645

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{39869}}^1$

素因数の和:39924

約数の個数: 16

約数和(自身を含む): 45930240

約数和(自身を除く): 17822595

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 39869, 119607, 199345, 598035, 1873843, 5621529, 9369215, 28107645]

約数ペア:

[(1, 28107645), (3, 9369215), (5, 5621529), (15, 1873843), (47, 598035), (141, 199345), (235, 119607), (705, 39869)]