28620333

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{26723}}^1$

素因数の和:26753

約数の個数: 24

約数和(自身を含む): 50027328

約数和(自身を除く): 21406995

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 26723, 80169, 187061, 240507, 454291, 561183, 1362873, 1683549, 3180037, 4088619, 9540111, 28620333]

約数ペア:

[(1, 28620333), (3, 9540111), (7, 4088619), (9, 3180037), (17, 1683549), (21, 1362873), (51, 561183), (63, 454291), (119, 240507), (153, 187061), (357, 80169), (1071, 26723)]