31807321

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:230

約数の個数: 36

約数和(自身を含む): 42057792

約数和(自身を除く): 10250471

約数列:

[1, 7, 13, 23, 49, 91, 161, 167, 169, 299, 637, 1127, 1169, 1183, 2093, 2171, 3841, 3887, 8183, 8281, 14651, 15197, 26887, 27209, 28223, 49933, 106379, 188209, 190463, 197561, 349531, 649129, 1382927, 2446717, 4543903, 31807321]

約数ペア:

[(1, 31807321), (7, 4543903), (13, 2446717), (23, 1382927), (49, 649129), (91, 349531), (161, 197561), (167, 190463), (169, 188209), (299, 106379), (637, 49933), (1127, 28223), (1169, 27209), (1183, 26887), (2093, 15197), (2171, 14651), (3841, 8281), (3887, 8183)]