15690400593

素因数分解:

$3^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{1285993}}^1$

素因数の和:1286093

約数の個数: 24

約数和(自身を含む): 24629357088

約数和(自身を除く): 8938956495

約数列:

[1, 3, 7, 21, 49, 83, 147, 249, 581, 1743, 4067, 12201, 1285993, 3857979, 9001951, 27005853, 63013657, 106737419, 189040971, 320212257, 747161933, 2241485799, 5230133531, 15690400593]

約数ペア:

[(1, 15690400593), (3, 5230133531), (7, 2241485799), (21, 747161933), (49, 320212257), (83, 189040971), (147, 106737419), (249, 63013657), (581, 27005853), (1743, 9001951), (4067, 3857979), (12201, 1285993)]