28000455

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{266671}}^1$

素因数の和:266686

約数の個数: 16

約数和(自身を含む): 51201024

約数和(自身を除く): 23200569

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 266671, 800013, 1333355, 1866697, 4000065, 5600091, 9333485, 28000455]

約数ペア:

[(1, 28000455), (3, 9333485), (5, 5600091), (7, 4000065), (15, 1866697), (21, 1333355), (35, 800013), (105, 266671)]