201812877

素因数分解:

$3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{7573}}^1$

素因数の和:7639

約数の個数: 40

約数和(自身を含む): 351918336

約数和(自身を除く): 150105459

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 81, 141, 189, 329, 423, 567, 987, 1269, 2961, 3807, 7573, 8883, 22719, 26649, 53011, 68157, 159033, 204471, 355931, 477099, 613413, 1067793, 1431297, 2491517, 3203379, 4293891, 7474551, 9610137, 22423653, 28830411, 67270959, 201812877]

約数ペア:

[(1, 201812877), (3, 67270959), (7, 28830411), (9, 22423653), (21, 9610137), (27, 7474551), (47, 4293891), (63, 3203379), (81, 2491517), (141, 1431297), (189, 1067793), (329, 613413), (423, 477099), (567, 355931), (987, 204471), (1269, 159033), (2961, 68157), (3807, 53011), (7573, 26649), (8883, 22719)]