2578065

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{571}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 4832256

約数和(自身を除く): 2254191

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 105, 129, 215, 301, 571, 645, 903, 1505, 1713, 2855, 3997, 4515, 8565, 11991, 19985, 24553, 59955, 73659, 122765, 171871, 368295, 515613, 859355, 2578065]

約数ペア:

[(1, 2578065), (3, 859355), (5, 515613), (7, 368295), (15, 171871), (21, 122765), (35, 73659), (43, 59955), (105, 24553), (129, 19985), (215, 11991), (301, 8565), (571, 4515), (645, 3997), (903, 2855), (1505, 1713)]