12728385

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{14887}}^1$

素因数の和:14917

約数の個数: 24

約数和(自身を含む): 23225280

約数和(自身を除く): 10496895

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 14887, 44661, 74435, 133983, 223305, 282853, 669915, 848559, 1414265, 2545677, 4242795, 12728385]

約数ペア:

[(1, 12728385), (3, 4242795), (5, 2545677), (9, 1414265), (15, 848559), (19, 669915), (45, 282853), (57, 223305), (95, 133983), (171, 74435), (285, 44661), (855, 14887)]