245173617

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{25247}}^1$

素因数の和:25349

約数の個数: 24

約数和(自身を含む): 385991424

約数和(自身を除く): 140817807

約数列:

[1, 3, 9, 13, 39, 83, 117, 249, 747, 1079, 3237, 9711, 25247, 75741, 227223, 328211, 984633, 2095501, 2953899, 6286503, 18859509, 27241513, 81724539, 245173617]

約数ペア:

[(1, 245173617), (3, 81724539), (9, 27241513), (13, 18859509), (39, 6286503), (83, 2953899), (117, 2095501), (249, 984633), (747, 328211), (1079, 227223), (3237, 75741), (9711, 25247)]