28426587

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 44900352

約数和(自身を除く): 16473765

約数列:

[1, 3, 7, 21, 47, 83, 141, 249, 329, 347, 581, 987, 1041, 1743, 2429, 3901, 7287, 11703, 16309, 27307, 28801, 48927, 81921, 86403, 114163, 201607, 342489, 604821, 1353647, 4060941, 9475529, 28426587]

約数ペア:

[(1, 28426587), (3, 9475529), (7, 4060941), (21, 1353647), (47, 604821), (83, 342489), (141, 201607), (249, 114163), (329, 86403), (347, 81921), (581, 48927), (987, 28801), (1041, 27307), (1743, 16309), (2429, 11703), (3901, 7287)]