2156870265

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13071941}}^1$

素因数の和:13071960

約数の個数: 16

約数和(自身を含む): 3764719296

約数和(自身を除く): 1607849031

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 13071941, 39215823, 65359705, 143791351, 196079115, 431374053, 718956755, 2156870265]

約数ペア:

[(1, 2156870265), (3, 718956755), (5, 431374053), (11, 196079115), (15, 143791351), (33, 65359705), (55, 39215823), (165, 13071941)]