28396893

素因数分解:

$3^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{2143}}^1$

素因数の和:2784

約数の個数: 16

約数和(自身を含む): 43360256

約数和(自身を除く): 14963363

約数列:

[1, 3, 7, 21, 631, 1893, 2143, 4417, 6429, 13251, 15001, 45003, 1352233, 4056699, 9465631, 28396893]

約数ペア:

[(1, 28396893), (3, 9465631), (7, 4056699), (21, 1352233), (631, 45003), (1893, 15001), (2143, 13251), (4417, 6429)]