217675419

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{15461}}^1$

素因数の和:15515

約数の個数: 24

約数和(自身を含む): 329897232

約数和(自身を除く): 112221813

約数列:

[1, 3, 13, 19, 39, 57, 247, 361, 741, 1083, 4693, 14079, 15461, 46383, 200993, 293759, 602979, 881277, 3818867, 5581421, 11456601, 16744263, 72558473, 217675419]

約数ペア:

[(1, 217675419), (3, 72558473), (13, 16744263), (19, 11456601), (39, 5581421), (57, 3818867), (247, 881277), (361, 602979), (741, 293759), (1083, 200993), (4693, 46383), (14079, 15461)]