1947519

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1627}}^1$

素因数の和:1659

約数の個数: 24

約数和(自身を含む): 3386240

約数和(自身を除く): 1438721

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 1627, 4881, 11389, 14643, 30913, 34167, 92739, 102501, 216391, 278217, 649173, 1947519]

約数ペア:

[(1, 1947519), (3, 649173), (7, 278217), (9, 216391), (19, 102501), (21, 92739), (57, 34167), (63, 30913), (133, 14643), (171, 11389), (399, 4881), (1197, 1627)]