217157073

素因数分解:

$3^1\times 7^3\times {\mathrm{239}}^1\times {\mathrm{883}}^1$

素因数の和:1146

約数の個数: 32

約数和(自身を含む): 339456000

約数和(自身を除く): 122298927

約数列:

[1, 3, 7, 21, 49, 147, 239, 343, 717, 883, 1029, 1673, 2649, 5019, 6181, 11711, 18543, 35133, 43267, 81977, 129801, 211037, 245931, 302869, 633111, 908607, 1477259, 4431777, 10340813, 31022439, 72385691, 217157073]

約数ペア:

[(1, 217157073), (3, 72385691), (7, 31022439), (21, 10340813), (49, 4431777), (147, 1477259), (239, 908607), (343, 633111), (717, 302869), (883, 245931), (1029, 211037), (1673, 129801), (2649, 81977), (5019, 43267), (6181, 35133), (11711, 18543)]