2051220885

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{275147}}^1$

素因数の和:275233

約数の個数: 32

約数和(自身を含む): 3803645952

約数和(自身を除く): 1752425067

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 105, 213, 355, 497, 1065, 1491, 2485, 7455, 275147, 825441, 1375735, 1926029, 4127205, 5778087, 9630145, 19535437, 28890435, 58606311, 97677185, 136748059, 293031555, 410244177, 683740295, 2051220885]

約数ペア:

[(1, 2051220885), (3, 683740295), (5, 410244177), (7, 293031555), (15, 136748059), (21, 97677185), (35, 58606311), (71, 28890435), (105, 19535437), (213, 9630145), (355, 5778087), (497, 4127205), (1065, 1926029), (1491, 1375735), (2485, 825441), (7455, 275147)]