42191721

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{32783}}^1$

素因数の和:32813

約数の個数: 24

約数和(自身を含む): 71600256

約数和(自身を除く): 29408535

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 32783, 98349, 295047, 360613, 426179, 1081839, 1278537, 3245517, 3835611, 4687969, 14063907, 42191721]

約数ペア:

[(1, 42191721), (3, 14063907), (9, 4687969), (11, 3835611), (13, 3245517), (33, 1278537), (39, 1081839), (99, 426179), (117, 360613), (143, 295047), (429, 98349), (1287, 32783)]