31988001

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 47534080

約数和(自身を除く): 15546079

約数列:

[1, 3, 19, 31, 43, 57, 93, 129, 421, 589, 817, 1263, 1333, 1767, 2451, 3999, 7999, 13051, 18103, 23997, 25327, 39153, 54309, 75981, 247969, 343957, 561193, 743907, 1031871, 1683579, 10662667, 31988001]

約数ペア:

[(1, 31988001), (3, 10662667), (19, 1683579), (31, 1031871), (43, 743907), (57, 561193), (93, 343957), (129, 247969), (421, 75981), (589, 54309), (817, 39153), (1263, 25327), (1333, 23997), (1767, 18103), (2451, 13051), (3999, 7999)]