7988139

素因数分解:

$3^5\times {\mathrm{71}}^1\times {\mathrm{463}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 12160512

約数和(自身を除く): 4172373

約数列:

[1, 3, 9, 27, 71, 81, 213, 243, 463, 639, 1389, 1917, 4167, 5751, 12501, 17253, 32873, 37503, 98619, 112509, 295857, 887571, 2662713, 7988139]

約数ペア:

[(1, 7988139), (3, 2662713), (9, 887571), (27, 295857), (71, 112509), (81, 98619), (213, 37503), (243, 32873), (463, 17253), (639, 12501), (1389, 5751), (1917, 4167)]