28919979

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{997}}^1$

素因数の和:1307

約数の個数: 24

約数和(自身を含む): 45772272

約数和(自身を除く): 16852293

約数列:

[1, 3, 9, 11, 33, 99, 293, 879, 997, 2637, 2991, 3223, 8973, 9669, 10967, 29007, 32901, 98703, 292121, 876363, 2629089, 3213331, 9639993, 28919979]

約数ペア:

[(1, 28919979), (3, 9639993), (9, 3213331), (11, 2629089), (33, 876363), (99, 292121), (293, 98703), (879, 32901), (997, 29007), (2637, 10967), (2991, 9669), (3223, 8973)]