642775245

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{149309}}^1$

素因数の和:149365

約数の個数: 32

約数和(自身を含む): 1204035840

約数和(自身を除く): 561260595

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 105, 123, 205, 287, 615, 861, 1435, 4305, 149309, 447927, 746545, 1045163, 2239635, 3135489, 5225815, 6121669, 15677445, 18365007, 30608345, 42851683, 91825035, 128555049, 214258415, 642775245]

約数ペア:

[(1, 642775245), (3, 214258415), (5, 128555049), (7, 91825035), (15, 42851683), (21, 30608345), (35, 18365007), (41, 15677445), (105, 6121669), (123, 5225815), (205, 3135489), (287, 2239635), (615, 1045163), (861, 746545), (1435, 447927), (4305, 149309)]