1922211

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{1249}}^1$

素因数の和:1280

約数の個数: 20

約数和(自身を含む): 3025000

約数和(自身を除く): 1102789

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1249, 1539, 3747, 11241, 23731, 33723, 71193, 101169, 213579, 640737, 1922211]

約数ペア:

[(1, 1922211), (3, 640737), (9, 213579), (19, 101169), (27, 71193), (57, 33723), (81, 23731), (171, 11241), (513, 3747), (1249, 1539)]