68711031

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{491}}^1$

素因数の和:644

約数の個数: 32

約数和(自身を含む): 104855040

約数和(自身を除く): 36144009

約数列:

[1, 3, 9, 27, 71, 73, 213, 219, 491, 639, 657, 1473, 1917, 1971, 4419, 5183, 13257, 15549, 34861, 35843, 46647, 104583, 107529, 139941, 313749, 322587, 941247, 967761, 2544853, 7634559, 22903677, 68711031]

約数ペア:

[(1, 68711031), (3, 22903677), (9, 7634559), (27, 2544853), (71, 967761), (73, 941247), (213, 322587), (219, 313749), (491, 139941), (639, 107529), (657, 104583), (1473, 46647), (1917, 35843), (1971, 34861), (4419, 15549), (5183, 13257)]