19998927

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{251}}^1$

素因数の和:500

約数の個数: 32

約数和(自身を含む): 32175360

約数和(自身を除く): 12176433

約数列:

[1, 3, 9, 13, 27, 39, 117, 227, 251, 351, 681, 753, 2043, 2259, 2951, 3263, 6129, 6777, 8853, 9789, 26559, 29367, 56977, 79677, 88101, 170931, 512793, 740701, 1538379, 2222103, 6666309, 19998927]

約数ペア:

[(1, 19998927), (3, 6666309), (9, 2222103), (13, 1538379), (27, 740701), (39, 512793), (117, 170931), (227, 88101), (251, 79677), (351, 56977), (681, 29367), (753, 26559), (2043, 9789), (2259, 8853), (2951, 6777), (3263, 6129)]