201325539

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1\times {\mathrm{311}}^1$

素因数の和:651

約数の個数: 32

約数和(自身を含む): 291432960

約数和(自身を除く): 90107421

約数列:

[1, 3, 19, 41, 57, 123, 277, 311, 779, 831, 933, 2337, 5263, 5909, 11357, 12751, 15789, 17727, 34071, 38253, 86147, 215783, 242269, 258441, 647349, 726807, 1636793, 3532027, 4910379, 10596081, 67108513, 201325539]

約数ペア:

[(1, 201325539), (3, 67108513), (19, 10596081), (41, 4910379), (57, 3532027), (123, 1636793), (277, 726807), (311, 647349), (779, 258441), (831, 242269), (933, 215783), (2337, 86147), (5263, 38253), (5909, 34071), (11357, 17727), (12751, 15789)]