211468857

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1\times {\mathrm{3989}}^1$

素因数の和:4464

約数の個数: 16

約数和(自身を含む): 289578240

約数和(自身を除く): 78109383

約数列:

[1, 3, 41, 123, 431, 1293, 3989, 11967, 17671, 53013, 163549, 490647, 1719259, 5157777, 70489619, 211468857]

約数ペア:

[(1, 211468857), (3, 70489619), (41, 5157777), (123, 1719259), (431, 490647), (1293, 163549), (3989, 53013), (11967, 17671)]