27438201

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 47424000

約数和(自身を除く): 19985799

約数列:

[1, 3, 7, 9, 21, 37, 63, 79, 111, 149, 237, 259, 333, 447, 553, 711, 777, 1043, 1341, 1659, 2331, 2923, 3129, 4977, 5513, 8769, 9387, 11771, 16539, 20461, 26307, 35313, 38591, 49617, 61383, 82397, 105939, 115773, 184149, 247191, 347319, 435527, 741573, 1306581, 3048689, 3919743, 9146067, 27438201]

約数ペア:

[(1, 27438201), (3, 9146067), (7, 3919743), (9, 3048689), (21, 1306581), (37, 741573), (63, 435527), (79, 347319), (111, 247191), (149, 184149), (237, 115773), (259, 105939), (333, 82397), (447, 61383), (553, 49617), (711, 38591), (777, 35313), (1043, 26307), (1341, 20461), (1659, 16539), (2331, 11771), (2923, 9387), (3129, 8769), (4977, 5513)]