221396763

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{620159}}^1$

素因数の和:620186

約数の個数: 16

約数和(自身を含む): 357212160

約数和(自身を除く): 135815397

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 620159, 1860477, 4341113, 10542703, 13023339, 31628109, 73798921, 221396763]

約数ペア:

[(1, 221396763), (3, 73798921), (7, 31628109), (17, 13023339), (21, 10542703), (51, 4341113), (119, 1860477), (357, 620159)]