1516221

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{587}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 2568384

約数和(自身を除く): 1052163

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 587, 861, 1761, 2583, 4109, 5283, 12327, 24067, 36981, 72201, 168469, 216603, 505407, 1516221]

約数ペア:

[(1, 1516221), (3, 505407), (7, 216603), (9, 168469), (21, 72201), (41, 36981), (63, 24067), (123, 12327), (287, 5283), (369, 4109), (587, 2583), (861, 1761)]