207974193

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{907}}^1$

素因数の和:1157

約数の個数: 32

約数和(自身を含む): 324264960

約数和(自身を除く): 116290767

約数列:

[1, 3, 7, 21, 61, 179, 183, 427, 537, 907, 1253, 1281, 2721, 3759, 6349, 10919, 19047, 32757, 55327, 76433, 162353, 165981, 229299, 387289, 487059, 1136471, 1161867, 3409413, 9903533, 29710599, 69324731, 207974193]

約数ペア:

[(1, 207974193), (3, 69324731), (7, 29710599), (21, 9903533), (61, 3409413), (179, 1161867), (183, 1136471), (427, 487059), (537, 387289), (907, 229299), (1253, 165981), (1281, 162353), (2721, 76433), (3759, 55327), (6349, 32757), (10919, 19047)]