29913219

素因数分解:

$3^4\times 7^1\times {\mathrm{52757}}^1$

素因数の和:52776

約数の個数: 20

約数和(自身を含む): 51069744

約数和(自身を除く): 21156525

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 52757, 158271, 369299, 474813, 1107897, 1424439, 3323691, 4273317, 9971073, 29913219]

約数ペア:

[(1, 29913219), (3, 9971073), (7, 4273317), (9, 3323691), (21, 1424439), (27, 1107897), (63, 474813), (81, 369299), (189, 158271), (567, 52757)]