68468481

素因数分解:

$3^2\times {\mathrm{139}}^1\times {\mathrm{229}}^1\times {\mathrm{239}}^1$

素因数の和:613

約数の個数: 24

約数和(自身を含む): 100464000

約数和(自身を除く): 31995519

約数列:

[1, 3, 9, 139, 229, 239, 417, 687, 717, 1251, 2061, 2151, 31831, 33221, 54731, 95493, 99663, 164193, 286479, 298989, 492579, 7607609, 22822827, 68468481]

約数ペア:

[(1, 68468481), (3, 22822827), (9, 7607609), (139, 492579), (229, 298989), (239, 286479), (417, 164193), (687, 99663), (717, 95493), (1251, 54731), (2061, 33221), (2151, 31831)]