12748671

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{12107}}^1$

素因数の和:12132

約数の個数: 20

約数和(自身を含む): 20510952

約数和(自身を除く): 7762281

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 12107, 36321, 108963, 157391, 326889, 472173, 980667, 1416519, 4249557, 12748671]

約数ペア:

[(1, 12748671), (3, 4249557), (9, 1416519), (13, 980667), (27, 472173), (39, 326889), (81, 157391), (117, 108963), (351, 36321), (1053, 12107)]