1115156721

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2794879}}^1$

素因数の和:2794908

約数の個数: 16

約数和(自身を含む): 1788723200

約数和(自身を除く): 673566479

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 2794879, 8384637, 19564153, 53102701, 58692459, 159308103, 371718907, 1115156721]

約数ペア:

[(1, 1115156721), (3, 371718907), (7, 159308103), (19, 58692459), (21, 53102701), (57, 19564153), (133, 8384637), (399, 2794879)]