1995903

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2437}}^1$

素因数の和:2463

約数の個数: 24

約数和(自身を含む): 3549728

約数和(自身を除く): 1553825

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 2437, 7311, 17059, 21933, 31681, 51177, 95043, 153531, 221767, 285129, 665301, 1995903]

約数ペア:

[(1, 1995903), (3, 665301), (7, 285129), (9, 221767), (13, 153531), (21, 95043), (39, 51177), (63, 31681), (91, 21933), (117, 17059), (273, 7311), (819, 2437)]