13220403

素因数分解:

$3^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{3517}}^1$

素因数の和:3706

約数の個数: 16

約数和(自身を含む): 20263680

約数和(自身を除く): 7043277

約数列:

[1, 3, 7, 21, 179, 537, 1253, 3517, 3759, 10551, 24619, 73857, 629543, 1888629, 4406801, 13220403]

約数ペア:

[(1, 13220403), (3, 4406801), (7, 1888629), (21, 629543), (179, 73857), (537, 24619), (1253, 10551), (3517, 3759)]