212493591

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{1721}}^1$

素因数の和:2016

約数の個数: 32

約数和(自身を含む): 334756800

約数和(自身を除く): 122263209

約数列:

[1, 3, 9, 17, 27, 51, 153, 269, 459, 807, 1721, 2421, 4573, 5163, 7263, 13719, 15489, 29257, 41157, 46467, 87771, 123471, 263313, 462949, 789939, 1388847, 4166541, 7870133, 12499623, 23610399, 70831197, 212493591]

約数ペア:

[(1, 212493591), (3, 70831197), (9, 23610399), (17, 12499623), (27, 7870133), (51, 4166541), (153, 1388847), (269, 789939), (459, 462949), (807, 263313), (1721, 123471), (2421, 87771), (4573, 46467), (5163, 41157), (7263, 29257), (13719, 15489)]