208091709

素因数分解:

$3^2\times 7^1\times {\mathrm{1693}}^1\times {\mathrm{1951}}^1$

素因数の和:3657

約数の個数: 24

約数和(自身を含む): 343895552

約数和(自身を除く): 135803843

約数列:

[1, 3, 7, 9, 21, 63, 1693, 1951, 5079, 5853, 11851, 13657, 15237, 17559, 35553, 40971, 106659, 122913, 3303043, 9909129, 23121301, 29727387, 69363903, 208091709]

約数ペア:

[(1, 208091709), (3, 69363903), (7, 29727387), (9, 23121301), (21, 9909129), (63, 3303043), (1693, 122913), (1951, 106659), (5079, 40971), (5853, 35553), (11851, 17559), (13657, 15237)]