198621945

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{102647}}^1$

素因数の和:102701

約数の個数: 24

約数和(自身を含む): 352287936

約数和(自身を除く): 153665991

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 102647, 307941, 513235, 923823, 1539705, 4413821, 4619115, 13241463, 22069105, 39724389, 66207315, 198621945]

約数ペア:

[(1, 198621945), (3, 66207315), (5, 39724389), (9, 22069105), (15, 13241463), (43, 4619115), (45, 4413821), (129, 1539705), (215, 923823), (387, 513235), (645, 307941), (1935, 102647)]