13212801

素因数分解:

$3^4\times 7^2\times {\mathrm{3329}}^1$

素因数の和:3355

約数の個数: 30

約数和(自身を含む): 22967010

約数和(自身を除く): 9754209

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3329, 3969, 9987, 23303, 29961, 69909, 89883, 163121, 209727, 269649, 489363, 629181, 1468089, 1887543, 4404267, 13212801]

約数ペア:

[(1, 13212801), (3, 4404267), (7, 1887543), (9, 1468089), (21, 629181), (27, 489363), (49, 269649), (63, 209727), (81, 163121), (147, 89883), (189, 69909), (441, 29961), (567, 23303), (1323, 9987), (3329, 3969)]