61990407

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{811}}^1$

素因数の和:988

約数の個数: 32

約数和(自身を含む): 97440000

約数和(自身を除く): 35449593

約数列:

[1, 3, 9, 19, 27, 57, 149, 171, 447, 513, 811, 1341, 2433, 2831, 4023, 7299, 8493, 15409, 21897, 25479, 46227, 76437, 120839, 138681, 362517, 416043, 1087551, 2295941, 3262653, 6887823, 20663469, 61990407]

約数ペア:

[(1, 61990407), (3, 20663469), (9, 6887823), (19, 3262653), (27, 2295941), (57, 1087551), (149, 416043), (171, 362517), (447, 138681), (513, 120839), (811, 76437), (1341, 46227), (2433, 25479), (2831, 21897), (4023, 15409), (7299, 8493)]