217316649

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1\times {\mathrm{229}}^1$

素因数の和:585

約数の個数: 32

約数和(自身を含む): 321264000

約数和(自身を除く): 103947351

約数列:

[1, 3, 11, 33, 149, 193, 229, 447, 579, 687, 1639, 2123, 2519, 4917, 6369, 7557, 28757, 34121, 44197, 86271, 102363, 132591, 316327, 375331, 486167, 948981, 1125993, 1458501, 6585353, 19756059, 72438883, 217316649]

約数ペア:

[(1, 217316649), (3, 72438883), (11, 19756059), (33, 6585353), (149, 1458501), (193, 1125993), (229, 948981), (447, 486167), (579, 375331), (687, 316327), (1639, 132591), (2123, 102363), (2519, 86271), (4917, 44197), (6369, 34121), (7557, 28757)]