129688321

素因数分解:

$7^1\times {\mathrm{97}}^1\times {\mathrm{389}}^1\times {\mathrm{491}}^1$

素因数の和:984

約数の個数: 16

約数和(自身を含む): 150433920

約数和(自身を除く): 20745599

約数列:

[1, 7, 97, 389, 491, 679, 2723, 3437, 37733, 47627, 190999, 264131, 333389, 1336993, 18526903, 129688321]

約数ペア:

[(1, 129688321), (7, 18526903), (97, 1336993), (389, 333389), (491, 264131), (679, 190999), (2723, 47627), (3437, 37733)]