28693287

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23971}}^1$

素因数の和:24003

約数の個数: 24

約数和(自身を含む): 49861760

約数和(自身を除く): 21168473

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 23971, 71913, 167797, 215739, 455449, 503391, 1366347, 1510173, 3188143, 4099041, 9564429, 28693287]

約数ペア:

[(1, 28693287), (3, 9564429), (7, 4099041), (9, 3188143), (19, 1510173), (21, 1366347), (57, 503391), (63, 455449), (133, 215739), (171, 167797), (399, 71913), (1197, 23971)]