12998337

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{20731}}^1$

素因数の和:20764

約数の個数: 16

約数和(自身を含む): 19902720

約数和(自身を除く): 6904383

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 20731, 62193, 228041, 393889, 684123, 1181667, 4332779, 12998337]

約数ペア:

[(1, 12998337), (3, 4332779), (11, 1181667), (19, 684123), (33, 393889), (57, 228041), (209, 62193), (627, 20731)]