217871385

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1\times {\mathrm{2083}}^1$

素因数の和:2477

約数の個数: 32

約数和(自身を含む): 368117760

約数和(自身を除く): 150246375

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 367, 1101, 1835, 2083, 5505, 6249, 6973, 10415, 20919, 31245, 34865, 39577, 104595, 118731, 197885, 593655, 764461, 2293383, 3822305, 11466915, 14524759, 43574277, 72623795, 217871385]

約数ペア:

[(1, 217871385), (3, 72623795), (5, 43574277), (15, 14524759), (19, 11466915), (57, 3822305), (95, 2293383), (285, 764461), (367, 593655), (1101, 197885), (1835, 118731), (2083, 104595), (5505, 39577), (6249, 34865), (6973, 31245), (10415, 20919)]