281061

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1$

素因数の和:201

約数の個数: 24

約数和(自身を含む): 471744

約数和(自身を除く): 190683

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 167, 187, 501, 561, 1503, 1683, 1837, 2839, 5511, 8517, 16533, 25551, 31229, 93687, 281061]

約数ペア:

[(1, 281061), (3, 93687), (9, 31229), (11, 25551), (17, 16533), (33, 8517), (51, 5511), (99, 2839), (153, 1837), (167, 1683), (187, 1503), (501, 561)]