172011021

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{90011}}^1$

素因数の和:90041

約数の個数: 24

約数和(自身を含む): 287318304

約数和(自身を除く): 115307283

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 90011, 270033, 630077, 1170143, 1890231, 3510429, 4410539, 8191001, 13231617, 24573003, 57337007, 172011021]

約数ペア:

[(1, 172011021), (3, 57337007), (7, 24573003), (13, 13231617), (21, 8191001), (39, 4410539), (49, 3510429), (91, 1890231), (147, 1170143), (273, 630077), (637, 270033), (1911, 90011)]