15403989

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:309

約数の個数: 24

約数和(自身を含む): 22153120

約数和(自身を除く): 6749131

約数列:

[1, 3, 17, 51, 109, 163, 289, 327, 489, 867, 1853, 2771, 5559, 8313, 17767, 31501, 47107, 53301, 94503, 141321, 302039, 906117, 5134663, 15403989]

約数ペア:

[(1, 15403989), (3, 5134663), (17, 906117), (51, 302039), (109, 141321), (163, 94503), (289, 53301), (327, 47107), (489, 31501), (867, 17767), (1853, 8313), (2771, 5559)]