28164087

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{26297}}^1$

素因数の和:26327

約数の個数: 24

約数和(自身を含む): 49229856

約数和(自身を除く): 21065769

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 26297, 78891, 184079, 236673, 447049, 552237, 1341147, 1656711, 3129343, 4023441, 9388029, 28164087]

約数ペア:

[(1, 28164087), (3, 9388029), (7, 4023441), (9, 3129343), (17, 1656711), (21, 1341147), (51, 552237), (63, 447049), (119, 236673), (153, 184079), (357, 78891), (1071, 26297)]