490015659

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{7643}}^1$

素因数の和:7767

約数の個数: 32

約数和(自身を含む): 774918144

約数和(自身を除く): 284902485

約数列:

[1, 3, 7, 21, 43, 71, 129, 213, 301, 497, 903, 1491, 3053, 7643, 9159, 21371, 22929, 53501, 64113, 160503, 328649, 542653, 985947, 1627959, 2300543, 3798571, 6901629, 11395713, 23334079, 70002237, 163338553, 490015659]

約数ペア:

[(1, 490015659), (3, 163338553), (7, 70002237), (21, 23334079), (43, 11395713), (71, 6901629), (129, 3798571), (213, 2300543), (301, 1627959), (497, 985947), (903, 542653), (1491, 328649), (3053, 160503), (7643, 64113), (9159, 53501), (21371, 22929)]