638630163

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{419}}^1\times {\mathrm{607}}^1$

素因数の和:1069

約数の個数: 40

約数和(自身を含む): 988753920

約数和(自身を除く): 350123757

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 419, 607, 837, 1257, 1821, 2511, 3771, 5463, 11313, 12989, 16389, 18817, 33939, 38967, 49167, 56451, 116901, 169353, 254333, 350703, 508059, 762999, 1052109, 1524177, 2288997, 6866991, 7884323, 20600973, 23652969, 70958907, 212876721, 638630163]

約数ペア:

[(1, 638630163), (3, 212876721), (9, 70958907), (27, 23652969), (31, 20600973), (81, 7884323), (93, 6866991), (279, 2288997), (419, 1524177), (607, 1052109), (837, 762999), (1257, 508059), (1821, 350703), (2511, 254333), (3771, 169353), (5463, 116901), (11313, 56451), (12989, 49167), (16389, 38967), (18817, 33939)]