129705989

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{1097}}^1$

素因数の和:1257

約数の個数: 24

約数和(自身を含む): 160220160

約数和(自身を除く): 30514171

約数列:

[1, 7, 19, 49, 127, 133, 889, 931, 1097, 2413, 6223, 7679, 16891, 20843, 53753, 118237, 139319, 145901, 975233, 1021307, 2647061, 6826631, 18529427, 129705989]

約数ペア:

[(1, 129705989), (7, 18529427), (19, 6826631), (49, 2647061), (127, 1021307), (133, 975233), (889, 145901), (931, 139319), (1097, 118237), (2413, 53753), (6223, 20843), (7679, 16891)]