221259694851

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{210123167}}^1$

素因数の和:210123192

約数の個数: 20

約数和(自身を含む): 355948646592

約数和(自身を除く): 134688951741

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 210123167, 630369501, 1891108503, 2731601171, 5673325509, 8194803513, 17019976527, 24584410539, 73753231617, 221259694851]

約数ペア:

[(1, 221259694851), (3, 73753231617), (9, 24584410539), (13, 17019976527), (27, 8194803513), (39, 5673325509), (81, 2731601171), (117, 1891108503), (351, 630369501), (1053, 210123167)]