8140545

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{601}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 16528512

約数和(自身を除く): 8387967

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 43, 45, 63, 105, 129, 215, 301, 315, 387, 601, 645, 903, 1505, 1803, 1935, 2709, 3005, 4207, 4515, 5409, 9015, 12621, 13545, 21035, 25843, 27045, 37863, 63105, 77529, 129215, 180901, 189315, 232587, 387645, 542703, 904505, 1162935, 1628109, 2713515, 8140545]

約数ペア:

[(1, 8140545), (3, 2713515), (5, 1628109), (7, 1162935), (9, 904505), (15, 542703), (21, 387645), (35, 232587), (43, 189315), (45, 180901), (63, 129215), (105, 77529), (129, 63105), (215, 37863), (301, 27045), (315, 25843), (387, 21035), (601, 13545), (645, 12621), (903, 9015), (1505, 5409), (1803, 4515), (1935, 4207), (2709, 3005)]