1210587987

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{7019}}^1$

素因数の和:7263

約数の個数: 32

約数和(自身を含む): 1897758720

約数和(自身を除く): 687170733

約数列:

[1, 3, 7, 21, 43, 129, 191, 301, 573, 903, 1337, 4011, 7019, 8213, 21057, 24639, 49133, 57491, 147399, 172473, 301817, 905451, 1340629, 2112719, 4021887, 6338157, 9384403, 28153209, 57647047, 172941141, 403529329, 1210587987]

約数ペア:

[(1, 1210587987), (3, 403529329), (7, 172941141), (21, 57647047), (43, 28153209), (129, 9384403), (191, 6338157), (301, 4021887), (573, 2112719), (903, 1340629), (1337, 905451), (4011, 301817), (7019, 172473), (8213, 147399), (21057, 57491), (24639, 49133)]