197717247

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{80471}}^1$

素因数の和:80500

約数の個数: 32

約数和(自身を含む): 360514560

約数和(自身を除く): 162797313

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 80471, 241413, 563297, 724239, 1046123, 1689891, 2172717, 3138369, 5069673, 7322861, 9415107, 15209019, 21968583, 28245321, 65905749, 197717247]

約数ペア:

[(1, 197717247), (3, 65905749), (7, 28245321), (9, 21968583), (13, 15209019), (21, 9415107), (27, 7322861), (39, 5069673), (63, 3138369), (91, 2172717), (117, 1689891), (189, 1046123), (273, 724239), (351, 563297), (819, 241413), (2457, 80471)]