78261939

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{54011}}^1$

素因数の和:54047

約数の個数: 24

約数和(自身を含む): 134813952

約数和(自身を除く): 56552013

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 54011, 162033, 378077, 486099, 1134231, 1242253, 3402693, 3726759, 8695771, 11180277, 26087313, 78261939]

約数ペア:

[(1, 78261939), (3, 26087313), (7, 11180277), (9, 8695771), (21, 3726759), (23, 3402693), (63, 1242253), (69, 1134231), (161, 486099), (207, 378077), (483, 162033), (1449, 54011)]