129178539

素因数分解:

$3^2\times 7^1\times {\mathrm{307}}^1\times {\mathrm{6679}}^1$

素因数の和:6999

約数の個数: 24

約数和(自身を含む): 213973760

約数和(自身を除く): 84795221

約数列:

[1, 3, 7, 9, 21, 63, 307, 921, 2149, 2763, 6447, 6679, 19341, 20037, 46753, 60111, 140259, 420777, 2050453, 6151359, 14353171, 18454077, 43059513, 129178539]

約数ペア:

[(1, 129178539), (3, 43059513), (7, 18454077), (9, 14353171), (21, 6151359), (63, 2050453), (307, 420777), (921, 140259), (2149, 60111), (2763, 46753), (6447, 20037), (6679, 19341)]