30999815

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1103}}^1$

素因数の和:1199

約数の個数: 32

約数和(自身を含む): 47056896

約数和(自身を除く): 16057081

約数列:

[1, 5, 7, 11, 35, 55, 73, 77, 365, 385, 511, 803, 1103, 2555, 4015, 5515, 5621, 7721, 12133, 28105, 38605, 60665, 80519, 84931, 402595, 424655, 563633, 885709, 2818165, 4428545, 6199963, 30999815]

約数ペア:

[(1, 30999815), (5, 6199963), (7, 4428545), (11, 2818165), (35, 885709), (55, 563633), (73, 424655), (77, 402595), (365, 84931), (385, 80519), (511, 60665), (803, 38605), (1103, 28105), (2555, 12133), (4015, 7721), (5515, 5621)]