28719105

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{31387}}^1$

素因数の和:31456

約数の個数: 16

約数和(自身を含む): 46705344

約数和(自身を除く): 17986239

約数列:

[1, 3, 5, 15, 61, 183, 305, 915, 31387, 94161, 156935, 470805, 1914607, 5743821, 9573035, 28719105]

約数ペア:

[(1, 28719105), (3, 9573035), (5, 5743821), (15, 1914607), (61, 470805), (183, 156935), (305, 94161), (915, 31387)]