28609623

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{26713}}^1$

素因数の和:26743

約数の個数: 24

約数和(自身を含む): 50008608

約数和(自身を除く): 21398985

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 26713, 80139, 186991, 240417, 454121, 560973, 1362363, 1682919, 3178847, 4087089, 9536541, 28609623]

約数ペア:

[(1, 28609623), (3, 9536541), (7, 4087089), (9, 3178847), (17, 1682919), (21, 1362363), (51, 560973), (63, 454121), (119, 240417), (153, 186991), (357, 80139), (1071, 26713)]