28397577

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{709}}^1$

素因数の和:817

約数の個数: 24

約数和(自身を含む): 41577600

約数和(自身を除く): 13180023

約数列:

[1, 3, 13, 39, 79, 169, 237, 507, 709, 1027, 2127, 3081, 9217, 13351, 27651, 40053, 56011, 119821, 168033, 359463, 728143, 2184429, 9465859, 28397577]

約数ペア:

[(1, 28397577), (3, 9465859), (13, 2184429), (39, 728143), (79, 359463), (169, 168033), (237, 119821), (507, 56011), (709, 40053), (1027, 27651), (2127, 13351), (3081, 9217)]