20161444989

素因数分解:

$3^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{675629}}^1$

素因数の和:675682

約数の個数: 32

約数和(自身を含む): 32430240000

約数和(自身を除く): 12268795011

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 343, 609, 1029, 1421, 4263, 9947, 29841, 675629, 2026887, 4729403, 14188209, 19593241, 33105821, 58779723, 99317463, 137152687, 231740747, 411458061, 695222241, 960068809, 2880206427, 6720481663, 20161444989]

約数ペア:

[(1, 20161444989), (3, 6720481663), (7, 2880206427), (21, 960068809), (29, 695222241), (49, 411458061), (87, 231740747), (147, 137152687), (203, 99317463), (343, 58779723), (609, 33105821), (1029, 19593241), (1421, 14188209), (4263, 4729403), (9947, 2026887), (29841, 675629)]