28082397

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{227}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 44301312

約数和(自身を除く): 16218915

約数列:

[1, 3, 7, 21, 43, 129, 137, 227, 301, 411, 681, 903, 959, 1589, 2877, 4767, 5891, 9761, 17673, 29283, 31099, 41237, 68327, 93297, 123711, 204981, 217693, 653079, 1337257, 4011771, 9360799, 28082397]

約数ペア:

[(1, 28082397), (3, 9360799), (7, 4011771), (21, 1337257), (43, 653079), (129, 217693), (137, 204981), (227, 123711), (301, 93297), (411, 68327), (681, 41237), (903, 31099), (959, 29283), (1589, 17673), (2877, 9761), (4767, 5891)]