1689696393

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{664973}}^1$

素因数の和:665005

約数の個数: 24

約数和(自身を含む): 2830129344

約数和(自身を除く): 1140432951

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 664973, 1994919, 4654811, 7314703, 13964433, 21944109, 51202921, 80461733, 153608763, 241385199, 563232131, 1689696393]

約数ペア:

[(1, 1689696393), (3, 563232131), (7, 241385199), (11, 153608763), (21, 80461733), (33, 51202921), (77, 21944109), (121, 13964433), (231, 7314703), (363, 4654811), (847, 1994919), (2541, 664973)]