28273329

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{26399}}^1$

素因数の和:26429

約数の個数: 24

約数和(自身を含む): 49420800

約数和(自身を除く): 21147471

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 26399, 79197, 184793, 237591, 448783, 554379, 1346349, 1663137, 3141481, 4039047, 9424443, 28273329]

約数ペア:

[(1, 28273329), (3, 9424443), (7, 4039047), (9, 3141481), (17, 1663137), (21, 1346349), (51, 554379), (63, 448783), (119, 237591), (153, 184793), (357, 79197), (1071, 26399)]