42840117

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{61}}^1$

素因数の和:163

約数の個数: 48

約数和(自身を含む): 69787200

約数和(自身を除く): 26947083

約数列:

[1, 3, 9, 19, 27, 37, 57, 61, 111, 171, 183, 333, 513, 549, 703, 999, 1159, 1369, 1647, 2109, 2257, 3477, 4107, 6327, 6771, 10431, 12321, 18981, 20313, 26011, 31293, 36963, 42883, 60939, 78033, 83509, 128649, 234099, 250527, 385947, 702297, 751581, 1157841, 1586671, 2254743, 4760013, 14280039, 42840117]

約数ペア:

[(1, 42840117), (3, 14280039), (9, 4760013), (19, 2254743), (27, 1586671), (37, 1157841), (57, 751581), (61, 702297), (111, 385947), (171, 250527), (183, 234099), (333, 128649), (513, 83509), (549, 78033), (703, 60939), (999, 42883), (1159, 36963), (1369, 31293), (1647, 26011), (2109, 20313), (2257, 18981), (3477, 12321), (4107, 10431), (6327, 6771)]