28787577

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{105449}}^1$

素因数の和:105472

約数の個数: 16

約数和(自身を含む): 47241600

約数和(自身を除く): 18454023

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 105449, 316347, 738143, 1370837, 2214429, 4112511, 9595859, 28787577]

約数ペア:

[(1, 28787577), (3, 9595859), (7, 4112511), (13, 2214429), (21, 1370837), (39, 738143), (91, 316347), (273, 105449)]