57123521

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{443}}^1$

素因数の和:585

約数の個数: 24

約数和(自身を含む): 71501760

約数和(自身を除く): 14378239

約数列:

[1, 7, 13, 91, 109, 169, 443, 763, 1183, 1417, 3101, 5759, 9919, 18421, 40313, 48287, 74867, 128947, 338009, 524069, 627731, 4394117, 8160503, 57123521]

約数ペア:

[(1, 57123521), (7, 8160503), (13, 4394117), (91, 627731), (109, 524069), (169, 338009), (443, 128947), (763, 74867), (1183, 48287), (1417, 40313), (3101, 18421), (5759, 9919)]