164385

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1$

素因数の和:305

約数の個数: 24

約数和(自身を含む): 307944

約数和(自身を除く): 143559

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 281, 585, 843, 1405, 2529, 3653, 4215, 10959, 12645, 18265, 32877, 54795, 164385]

約数ペア:

[(1, 164385), (3, 54795), (5, 32877), (9, 18265), (13, 12645), (15, 10959), (39, 4215), (45, 3653), (65, 2529), (117, 1405), (195, 843), (281, 585)]