81240787537

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1217}}^1\times {\mathrm{38609}}^1$

素因数の和:39865

約数の個数: 32

約数和(自身を含む): 105340435200

約数和(自身を除く): 24099647663

約数列:

[1, 7, 13, 19, 91, 133, 247, 1217, 1729, 8519, 15821, 23123, 38609, 110747, 161861, 270263, 300599, 501917, 733571, 2104193, 3513419, 5134997, 9536423, 46987153, 66754961, 328910071, 610832989, 892755907, 4275830923, 6249291349, 11605826791, 81240787537]

約数ペア:

[(1, 81240787537), (7, 11605826791), (13, 6249291349), (19, 4275830923), (91, 892755907), (133, 610832989), (247, 328910071), (1217, 66754961), (1729, 46987153), (8519, 9536423), (15821, 5134997), (23123, 3513419), (38609, 2104193), (110747, 733571), (161861, 501917), (270263, 300599)]