18654489

素因数分解:

$3^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1109}}^1$

素因数の和:1214

約数の個数: 32

約数和(自身を含む): 31968000

約数和(自身を除く): 13313511

約数列:

[1, 3, 7, 9, 21, 27, 63, 89, 189, 267, 623, 801, 1109, 1869, 2403, 3327, 5607, 7763, 9981, 16821, 23289, 29943, 69867, 98701, 209601, 296103, 690907, 888309, 2072721, 2664927, 6218163, 18654489]

約数ペア:

[(1, 18654489), (3, 6218163), (7, 2664927), (9, 2072721), (21, 888309), (27, 690907), (63, 296103), (89, 209601), (189, 98701), (267, 69867), (623, 29943), (801, 23289), (1109, 16821), (1869, 9981), (2403, 7763), (3327, 5607)]