16981575

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17417}}^1$

素因数の和:17443

約数の個数: 24

約数和(自身を含む): 30237648

約数和(自身を除く): 13256073

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 17417, 52251, 87085, 226421, 261255, 435425, 679263, 1132105, 1306275, 3396315, 5660525, 16981575]

約数ペア:

[(1, 16981575), (3, 5660525), (5, 3396315), (13, 1306275), (15, 1132105), (25, 679263), (39, 435425), (65, 261255), (75, 226421), (195, 87085), (325, 52251), (975, 17417)]