28993545

素因数分解:

$3^5\times 5^1\times 7^2\times {\mathrm{487}}^1$

素因数の和:521

約数の個数: 72

約数和(自身を含む): 60750144

約数和(自身を除く): 31756599

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 81, 105, 135, 147, 189, 243, 245, 315, 405, 441, 487, 567, 735, 945, 1215, 1323, 1461, 1701, 2205, 2435, 2835, 3409, 3969, 4383, 6615, 7305, 8505, 10227, 11907, 13149, 17045, 19845, 21915, 23863, 30681, 39447, 51135, 59535, 65745, 71589, 92043, 118341, 119315, 153405, 197235, 214767, 276129, 357945, 460215, 591705, 644301, 828387, 1073835, 1380645, 1932903, 3221505, 4141935, 5798709, 9664515, 28993545]

約数ペア:

[(1, 28993545), (3, 9664515), (5, 5798709), (7, 4141935), (9, 3221505), (15, 1932903), (21, 1380645), (27, 1073835), (35, 828387), (45, 644301), (49, 591705), (63, 460215), (81, 357945), (105, 276129), (135, 214767), (147, 197235), (189, 153405), (243, 119315), (245, 118341), (315, 92043), (405, 71589), (441, 65745), (487, 59535), (567, 51135), (735, 39447), (945, 30681), (1215, 23863), (1323, 21915), (1461, 19845), (1701, 17045), (2205, 13149), (2435, 11907), (2835, 10227), (3409, 8505), (3969, 7305), (4383, 6615)]