210987

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:227

約数の個数: 24

約数和(自身を含む): 370656

約数和(自身を除く): 159669

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 197, 357, 591, 1071, 1379, 1773, 3349, 4137, 10047, 12411, 23443, 30141, 70329, 210987]

約数ペア:

[(1, 210987), (3, 70329), (7, 30141), (9, 23443), (17, 12411), (21, 10047), (51, 4137), (63, 3349), (119, 1773), (153, 1379), (197, 1071), (357, 591)]