249128523

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{457}}^1\times {\mathrm{509}}^1$

素因数の和:996

約数の個数: 48

約数和(自身を含む): 437261760

約数和(自身を除く): 188133237

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 457, 509, 1071, 1371, 1527, 3199, 3563, 4113, 4581, 7769, 8653, 9597, 10689, 23307, 25959, 28791, 32067, 54383, 60571, 69921, 77877, 163149, 181713, 232613, 489447, 545139, 697839, 1628291, 2093517, 3954421, 4884873, 11863263, 14654619, 27680947, 35589789, 83042841, 249128523]

約数ペア:

[(1, 249128523), (3, 83042841), (7, 35589789), (9, 27680947), (17, 14654619), (21, 11863263), (51, 4884873), (63, 3954421), (119, 2093517), (153, 1628291), (357, 697839), (457, 545139), (509, 489447), (1071, 232613), (1371, 181713), (1527, 163149), (3199, 77877), (3563, 69921), (4113, 60571), (4581, 54383), (7769, 32067), (8653, 28791), (9597, 25959), (10689, 23307)]