28044711

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{11939}}^1$

素因数の和:11980

約数の個数: 20

約数和(自身を含む): 43342200

約数和(自身を除く): 15297489

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 11939, 35817, 107451, 322353, 346231, 967059, 1038693, 3116079, 9348237, 28044711]

約数ペア:

[(1, 28044711), (3, 9348237), (9, 3116079), (27, 1038693), (29, 967059), (81, 346231), (87, 322353), (261, 107451), (783, 35817), (2349, 11939)]