78923439

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{131}}^2$

素因数の和:348

約数の個数: 36

約数和(自身を含む): 133086928

約数和(自身を除く): 54163489

約数列:

[1, 3, 7, 9, 21, 63, 73, 131, 219, 393, 511, 657, 917, 1179, 1533, 2751, 4599, 8253, 9563, 17161, 28689, 51483, 66941, 86067, 120127, 154449, 200823, 360381, 602469, 1081143, 1252753, 3758259, 8769271, 11274777, 26307813, 78923439]

約数ペア:

[(1, 78923439), (3, 26307813), (7, 11274777), (9, 8769271), (21, 3758259), (63, 1252753), (73, 1081143), (131, 602469), (219, 360381), (393, 200823), (511, 154449), (657, 120127), (917, 86067), (1179, 66941), (1533, 51483), (2751, 28689), (4599, 17161), (8253, 9563)]