11921013

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{11321}}^1$

素因数の和:11346

約数の個数: 20

約数和(自身を含む): 19179468

約数和(自身を除く): 7258455

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 11321, 33963, 101889, 147173, 305667, 441519, 917001, 1324557, 3973671, 11921013]

約数ペア:

[(1, 11921013), (3, 3973671), (9, 1324557), (13, 917001), (27, 441519), (39, 305667), (81, 147173), (117, 101889), (351, 33963), (1053, 11321)]