289386447

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{317}}^1\times {\mathrm{1499}}^1$

素因数の和:1855

約数の個数: 32

約数和(自身を含む): 457920000

約数和(自身を除く): 168533553

約数列:

[1, 3, 7, 21, 29, 87, 203, 317, 609, 951, 1499, 2219, 4497, 6657, 9193, 10493, 27579, 31479, 43471, 64351, 130413, 193053, 304297, 475183, 912891, 1425549, 3326281, 9978843, 13780307, 41340921, 96462149, 289386447]

約数ペア:

[(1, 289386447), (3, 96462149), (7, 41340921), (21, 13780307), (29, 9978843), (87, 3326281), (203, 1425549), (317, 912891), (609, 475183), (951, 304297), (1499, 193053), (2219, 130413), (4497, 64351), (6657, 43471), (9193, 31479), (10493, 27579)]