216198741

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:294

約数の個数: 64

約数和(自身を含む): 350542080

約数和(自身を除く): 134343339

約数列:

[1, 3, 11, 17, 29, 33, 51, 87, 97, 137, 187, 291, 319, 411, 493, 561, 957, 1067, 1479, 1507, 1649, 2329, 2813, 3201, 3973, 4521, 4947, 5423, 6987, 8439, 11919, 13289, 16269, 18139, 25619, 30943, 39867, 43703, 47821, 54417, 67541, 76857, 92829, 131109, 143463, 146179, 202623, 225913, 385381, 438537, 526031, 677739, 742951, 1156143, 1578093, 2228853, 2485043, 4239191, 6551477, 7455129, 12717573, 19654431, 72066247, 216198741]

約数ペア:

[(1, 216198741), (3, 72066247), (11, 19654431), (17, 12717573), (29, 7455129), (33, 6551477), (51, 4239191), (87, 2485043), (97, 2228853), (137, 1578093), (187, 1156143), (291, 742951), (319, 677739), (411, 526031), (493, 438537), (561, 385381), (957, 225913), (1067, 202623), (1479, 146179), (1507, 143463), (1649, 131109), (2329, 92829), (2813, 76857), (3201, 67541), (3973, 54417), (4521, 47821), (4947, 43703), (5423, 39867), (6987, 30943), (8439, 25619), (11919, 18139), (13289, 16269)]