28647783

素因数分解:

$3^3\times {\mathrm{149}}^1\times {\mathrm{7121}}^1$

素因数の和:7279

約数の個数: 16

約数和(自身を含む): 42732000

約数和(自身を除く): 14084217

約数列:

[1, 3, 9, 27, 149, 447, 1341, 4023, 7121, 21363, 64089, 192267, 1061029, 3183087, 9549261, 28647783]

約数ペア:

[(1, 28647783), (3, 9549261), (9, 3183087), (27, 1061029), (149, 192267), (447, 64089), (1341, 21363), (4023, 7121)]