1987533

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:281

約数の個数: 24

約数和(自身を含む): 3088800

約数和(自身を除く): 1101267

約数列:

[1, 3, 9, 19, 57, 59, 171, 177, 197, 531, 591, 1121, 1773, 3363, 3743, 10089, 11229, 11623, 33687, 34869, 104607, 220837, 662511, 1987533]

約数ペア:

[(1, 1987533), (3, 662511), (9, 220837), (19, 104607), (57, 34869), (59, 33687), (171, 11623), (177, 11229), (197, 10089), (531, 3743), (591, 3363), (1121, 1773)]