81994185

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20023}}^1$

素因数の和:20054

約数の個数: 48

約数和(自身を含む): 174929664

約数和(自身を除く): 92935479

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 195, 273, 315, 455, 585, 819, 1365, 4095, 20023, 60069, 100115, 140161, 180207, 260299, 300345, 420483, 700805, 780897, 901035, 1261449, 1301495, 1822093, 2102415, 2342691, 3904485, 5466279, 6307245, 9110465, 11713455, 16398837, 27331395, 81994185]

約数ペア:

[(1, 81994185), (3, 27331395), (5, 16398837), (7, 11713455), (9, 9110465), (13, 6307245), (15, 5466279), (21, 3904485), (35, 2342691), (39, 2102415), (45, 1822093), (63, 1301495), (65, 1261449), (91, 901035), (105, 780897), (117, 700805), (195, 420483), (273, 300345), (315, 260299), (455, 180207), (585, 140161), (819, 100115), (1365, 60069), (4095, 20023)]