2720807999

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{16223}}^1$

素因数の和:16359

約数の個数: 32

約数和(自身を含む): 3561492480

約数和(自身を除く): 840684481

約数列:

[1, 7, 13, 19, 91, 97, 133, 247, 679, 1261, 1729, 1843, 8827, 12901, 16223, 23959, 113561, 167713, 210899, 308237, 1476293, 1573631, 2157659, 4007081, 11015417, 20457203, 28049567, 29898989, 143200421, 209292923, 388686857, 2720807999]

約数ペア:

[(1, 2720807999), (7, 388686857), (13, 209292923), (19, 143200421), (91, 29898989), (97, 28049567), (133, 20457203), (247, 11015417), (679, 4007081), (1261, 2157659), (1729, 1573631), (1843, 1476293), (8827, 308237), (12901, 210899), (16223, 167713), (23959, 113561)]