27620271

素因数分解:

$3^4\times 7^2\times {\mathrm{6959}}^1$

素因数の和:6985

約数の個数: 30

約数和(自身を含む): 48003120

約数和(自身を除く): 20382849

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 6959, 20877, 48713, 62631, 146139, 187893, 340991, 438417, 563679, 1022973, 1315251, 3068919, 3945753, 9206757, 27620271]

約数ペア:

[(1, 27620271), (3, 9206757), (7, 3945753), (9, 3068919), (21, 1315251), (27, 1022973), (49, 563679), (63, 438417), (81, 340991), (147, 187893), (189, 146139), (441, 62631), (567, 48713), (1323, 20877), (3969, 6959)]