2876139

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1$

素因数の和:727

約数の個数: 24

約数和(自身を含む): 4822272

約数和(自身を除く): 1946133

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 643, 1491, 1929, 4473, 4501, 5787, 13503, 40509, 45653, 136959, 319571, 410877, 958713, 2876139]

約数ペア:

[(1, 2876139), (3, 958713), (7, 410877), (9, 319571), (21, 136959), (63, 45653), (71, 40509), (213, 13503), (497, 5787), (639, 4501), (643, 4473), (1491, 1929)]