17983719

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{547}}^1$

素因数の和:847

約数の個数: 24

約数和(自身を含む): 28125552

約数和(自身を除く): 10141833

約数列:

[1, 3, 9, 13, 39, 117, 281, 547, 843, 1641, 2529, 3653, 4923, 7111, 10959, 21333, 32877, 63999, 153707, 461121, 1383363, 1998191, 5994573, 17983719]

約数ペア:

[(1, 17983719), (3, 5994573), (9, 1998191), (13, 1383363), (39, 461121), (117, 153707), (281, 63999), (547, 32877), (843, 21333), (1641, 10959), (2529, 7111), (3653, 4923)]