28715145

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1669}}^1$

素因数の和:1745

約数の個数: 32

約数和(自身を含む): 48737280

約数和(自身を除く): 20022135

約数列:

[1, 3, 5, 15, 31, 37, 93, 111, 155, 185, 465, 555, 1147, 1669, 3441, 5007, 5735, 8345, 17205, 25035, 51739, 61753, 155217, 185259, 258695, 308765, 776085, 926295, 1914343, 5743029, 9571715, 28715145]

約数ペア:

[(1, 28715145), (3, 9571715), (5, 5743029), (15, 1914343), (31, 926295), (37, 776085), (93, 308765), (111, 258695), (155, 185259), (185, 155217), (465, 61753), (555, 51739), (1147, 25035), (1669, 17205), (3441, 8345), (5007, 5735)]