7680309

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4019}}^1$

素因数の和:4049

約数の個数: 24

約数和(自身を含む): 12831840

約数和(自身を除く): 5151531

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 4019, 12057, 28133, 52247, 84399, 156741, 196931, 365729, 590793, 1097187, 2560103, 7680309]

約数ペア:

[(1, 7680309), (3, 2560103), (7, 1097187), (13, 590793), (21, 365729), (39, 196931), (49, 156741), (91, 84399), (147, 52247), (273, 28133), (637, 12057), (1911, 4019)]