31185609

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{16319}}^1$

素因数の和:16349

約数の個数: 24

約数和(自身を含む): 52093440

約数和(自身を除く): 20907831

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 16319, 48957, 114233, 212147, 342699, 636441, 799631, 1485029, 2398893, 4455087, 10395203, 31185609]

約数ペア:

[(1, 31185609), (3, 10395203), (7, 4455087), (13, 2398893), (21, 1485029), (39, 799631), (49, 636441), (91, 342699), (147, 212147), (273, 114233), (637, 48957), (1911, 16319)]