289668855

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{64157}}^1$

素因数の和:64215

約数の個数: 32

約数和(自身を含む): 542006784

約数和(自身を除く): 252337929

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 105, 129, 215, 301, 645, 903, 1505, 4515, 64157, 192471, 320785, 449099, 962355, 1347297, 2245495, 2758751, 6736485, 8276253, 13793755, 19311257, 41381265, 57933771, 96556285, 289668855]

約数ペア:

[(1, 289668855), (3, 96556285), (5, 57933771), (7, 41381265), (15, 19311257), (21, 13793755), (35, 8276253), (43, 6736485), (105, 2758751), (129, 2245495), (215, 1347297), (301, 962355), (645, 449099), (903, 320785), (1505, 192471), (4515, 64157)]