16518573

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{4339}}^1$

素因数の和:4398

約数の個数: 20

約数和(自身を含む): 25206720

約数和(自身を除く): 8688147

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 4339, 13017, 39051, 117153, 203933, 351459, 611799, 1835397, 5506191, 16518573]

約数ペア:

[(1, 16518573), (3, 5506191), (9, 1835397), (27, 611799), (47, 351459), (81, 203933), (141, 117153), (423, 39051), (1269, 13017), (3807, 4339)]