1808242587

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{281}}^1\times {\mathrm{307}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 2804753952

約数和(自身を除く): 996511365

約数列:

[1, 3, 9, 17, 51, 137, 153, 281, 307, 411, 843, 921, 1233, 2329, 2529, 2763, 4777, 5219, 6987, 14331, 15657, 20961, 38497, 42059, 42993, 46971, 86267, 115491, 126177, 258801, 346473, 378531, 654449, 715003, 776403, 1466539, 1963347, 2145009, 4399617, 5890041, 6435027, 11818579, 13198851, 35455737, 106367211, 200915843, 602747529, 1808242587]

約数ペア:

[(1, 1808242587), (3, 602747529), (9, 200915843), (17, 106367211), (51, 35455737), (137, 13198851), (153, 11818579), (281, 6435027), (307, 5890041), (411, 4399617), (843, 2145009), (921, 1963347), (1233, 1466539), (2329, 776403), (2529, 715003), (2763, 654449), (4777, 378531), (5219, 346473), (6987, 258801), (14331, 126177), (15657, 115491), (20961, 86267), (38497, 46971), (42059, 42993)]