388632231

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{255511}}^1$

素因数の和:255543

約数の個数: 18

約数和(自身を含む): 607863048

約数和(自身を除く): 219230817

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 255511, 766533, 2299599, 3321643, 9964929, 29894787, 43181359, 129544077, 388632231]

約数ペア:

[(1, 388632231), (3, 129544077), (9, 43181359), (13, 29894787), (39, 9964929), (117, 3321643), (169, 2299599), (507, 766533), (1521, 255511)]