1277091

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{491}}^1$

素因数の和:531

約数の個数: 18

約数和(自身を含む): 1963572

約数和(自身を除く): 686481

約数列:

[1, 3, 9, 17, 51, 153, 289, 491, 867, 1473, 2601, 4419, 8347, 25041, 75123, 141899, 425697, 1277091]

約数ペア:

[(1, 1277091), (3, 425697), (9, 141899), (17, 75123), (51, 25041), (153, 8347), (289, 4419), (491, 2601), (867, 1473)]