38641239

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15727}}^1$

素因数の和:15756

約数の個数: 32

約数和(自身を含む): 70461440

約数和(自身を除く): 31820201

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 15727, 47181, 110089, 141543, 204451, 330267, 424629, 613353, 990801, 1431157, 1840059, 2972403, 4293471, 5520177, 12880413, 38641239]

約数ペア:

[(1, 38641239), (3, 12880413), (7, 5520177), (9, 4293471), (13, 2972403), (21, 1840059), (27, 1431157), (39, 990801), (63, 613353), (91, 424629), (117, 330267), (189, 204451), (273, 141543), (351, 110089), (819, 47181), (2457, 15727)]