7117821

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:206

約数の個数: 32

約数和(自身を含む): 11059200

約数和(自身を除く): 3941379

約数列:

[1, 3, 9, 27, 47, 71, 79, 141, 213, 237, 423, 639, 711, 1269, 1917, 2133, 3337, 3713, 5609, 10011, 11139, 16827, 30033, 33417, 50481, 90099, 100251, 151443, 263623, 790869, 2372607, 7117821]

約数ペア:

[(1, 7117821), (3, 2372607), (9, 790869), (27, 263623), (47, 151443), (71, 100251), (79, 90099), (141, 50481), (213, 33417), (237, 30033), (423, 16827), (639, 11139), (711, 10011), (1269, 5609), (1917, 3713), (2133, 3337)]