1383921

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1997}}^1$

素因数の和:2021

約数の個数: 24

約数和(自身を含む): 2493504

約数和(自身を除く): 1109583

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 1997, 5991, 13979, 17973, 21967, 41937, 65901, 125811, 153769, 197703, 461307, 1383921]

約数ペア:

[(1, 1383921), (3, 461307), (7, 197703), (9, 153769), (11, 125811), (21, 65901), (33, 41937), (63, 21967), (77, 17973), (99, 13979), (231, 5991), (693, 1997)]