215893315

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{12541}}^1$

素因数の和:12870

約数の個数: 16

約数和(自身を含む): 283549536

約数和(自身を除く): 67656221

約数列:

[1, 5, 11, 55, 313, 1565, 3443, 12541, 17215, 62705, 137951, 689755, 3925333, 19626665, 43178663, 215893315]

約数ペア:

[(1, 215893315), (5, 43178663), (11, 19626665), (55, 3925333), (313, 689755), (1565, 137951), (3443, 62705), (12541, 17215)]