7838613

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:159

約数の個数: 40

約数和(自身を含む): 12545280

約数和(自身を除く): 4706667

約数列:

[1, 3, 9, 27, 29, 47, 71, 81, 87, 141, 213, 261, 423, 639, 783, 1269, 1363, 1917, 2059, 2349, 3337, 3807, 4089, 5751, 6177, 10011, 12267, 18531, 30033, 36801, 55593, 90099, 96773, 110403, 166779, 270297, 290319, 870957, 2612871, 7838613]

約数ペア:

[(1, 7838613), (3, 2612871), (9, 870957), (27, 290319), (29, 270297), (47, 166779), (71, 110403), (81, 96773), (87, 90099), (141, 55593), (213, 36801), (261, 30033), (423, 18531), (639, 12267), (783, 10011), (1269, 6177), (1363, 5751), (1917, 4089), (2059, 3807), (2349, 3337)]