123780813

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{16111}}^1$

素因数の和:16324

約数の個数: 16

約数和(自身を含む): 178649856

約数和(自身を除く): 54869043

約数列:

[1, 3, 13, 39, 197, 591, 2561, 7683, 16111, 48333, 209443, 628329, 3173867, 9521601, 41260271, 123780813]

約数ペア:

[(1, 123780813), (3, 41260271), (13, 9521601), (39, 3173867), (197, 628329), (591, 209443), (2561, 48333), (7683, 16111)]