4008718989

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{85607}}^1$

素因数の和:85678

約数の個数: 36

約数和(自身を含む): 6512714208

約数和(自身を除く): 2503995219

約数列:

[1, 3, 9, 11, 33, 43, 99, 121, 129, 363, 387, 473, 1089, 1419, 4257, 5203, 15609, 46827, 85607, 256821, 770463, 941677, 2825031, 3681101, 8475093, 10358447, 11043303, 31075341, 33129909, 40492111, 93226023, 121476333, 364428999, 445413221, 1336239663, 4008718989]

約数ペア:

[(1, 4008718989), (3, 1336239663), (9, 445413221), (11, 364428999), (33, 121476333), (43, 93226023), (99, 40492111), (121, 33129909), (129, 31075341), (363, 11043303), (387, 10358447), (473, 8475093), (1089, 3681101), (1419, 2825031), (4257, 941677), (5203, 770463), (15609, 256821), (46827, 85607)]