28755261

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{1109}}^1$

素因数の和:1225

約数の個数: 24

約数和(自身を含む): 43174560

約数和(自身を除く): 14419299

約数列:

[1, 3, 9, 43, 67, 129, 201, 387, 603, 1109, 2881, 3327, 8643, 9981, 25929, 47687, 74303, 143061, 222909, 429183, 668727, 3195029, 9585087, 28755261]

約数ペア:

[(1, 28755261), (3, 9585087), (9, 3195029), (43, 668727), (67, 429183), (129, 222909), (201, 143061), (387, 74303), (603, 47687), (1109, 25929), (2881, 9981), (3327, 8643)]