81979807945

素因数分解:

$5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{9043553}}^1$

素因数の和:9043609

約数の個数: 24

約数和(自身を含む): 117530027784

約数和(自身を除く): 35550219839

約数列:

[1, 5, 7, 35, 37, 49, 185, 245, 259, 1295, 1813, 9065, 9043553, 45217765, 63304871, 316524355, 334611461, 443134097, 1673057305, 2215670485, 2342280227, 11711401135, 16395961589, 81979807945]

約数ペア:

[(1, 81979807945), (5, 16395961589), (7, 11711401135), (35, 2342280227), (37, 2215670485), (49, 1673057305), (185, 443134097), (245, 334611461), (259, 316524355), (1295, 63304871), (1813, 45217765), (9065, 9043553)]