72678417

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 120821760

約数和(自身を除く): 48143343

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 127, 147, 229, 357, 381, 687, 833, 889, 1603, 2159, 2499, 2667, 3893, 4809, 6223, 6477, 11221, 11679, 15113, 18669, 27251, 29083, 33663, 45339, 81753, 87249, 105791, 190757, 203581, 317373, 494411, 572271, 610743, 1425067, 1483233, 3460877, 4275201, 10382631, 24226139, 72678417]

約数ペア:

[(1, 72678417), (3, 24226139), (7, 10382631), (17, 4275201), (21, 3460877), (49, 1483233), (51, 1425067), (119, 610743), (127, 572271), (147, 494411), (229, 317373), (357, 203581), (381, 190757), (687, 105791), (833, 87249), (889, 81753), (1603, 45339), (2159, 33663), (2499, 29083), (2667, 27251), (3893, 18669), (4809, 15113), (6223, 11679), (6477, 11221)]