217746081

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{203311}}^1$

素因数の和:203341

約数の個数: 24

約数和(自身を含む): 380600064

約数和(自身を除く): 162853983

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 203311, 609933, 1423177, 1829799, 3456287, 4269531, 10368861, 12808593, 24194009, 31106583, 72582027, 217746081]

約数ペア:

[(1, 217746081), (3, 72582027), (7, 31106583), (9, 24194009), (17, 12808593), (21, 10368861), (51, 4269531), (63, 3456287), (119, 1829799), (153, 1423177), (357, 609933), (1071, 203311)]