402234021

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{205957}}^1$

素因数の和:206001

約数の個数: 24

約数和(自身を含む): 685428224

約数和(自身を除く): 283194203

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 205957, 617871, 1441699, 1853613, 4325097, 6384667, 12975291, 19154001, 44692669, 57462003, 134078007, 402234021]

約数ペア:

[(1, 402234021), (3, 134078007), (7, 57462003), (9, 44692669), (21, 19154001), (31, 12975291), (63, 6384667), (93, 4325097), (217, 1853613), (279, 1441699), (651, 617871), (1953, 205957)]