16945229

素因数分解:

$7^3\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:537

約数の個数: 16

約数和(自身を含む): 19968000

約数和(自身を除く): 3022771

約数列:

[1, 7, 49, 127, 343, 389, 889, 2723, 6223, 19061, 43561, 49403, 133427, 345821, 2420747, 16945229]

約数ペア:

[(1, 16945229), (7, 2420747), (49, 345821), (127, 133427), (343, 49403), (389, 43561), (889, 19061), (2723, 6223)]