28417281

素因数分解:

$3^1\times {\mathrm{43}}^2\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:245

約数の個数: 24

約数和(自身を含む): 39980160

約数和(自身を除く): 11562879

約数列:

[1, 3, 43, 47, 109, 129, 141, 327, 1849, 2021, 4687, 5123, 5547, 6063, 14061, 15369, 86903, 201541, 220289, 260709, 604623, 660867, 9472427, 28417281]

約数ペア:

[(1, 28417281), (3, 9472427), (43, 660867), (47, 604623), (109, 260709), (129, 220289), (141, 201541), (327, 86903), (1849, 15369), (2021, 14061), (4687, 6063), (5123, 5547)]