668801469

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{617}}^1\times {\mathrm{727}}^1$

素因数の和:1425

約数の個数: 32

約数和(自身を含む): 1036578816

約数和(自身を除く): 367777347

約数列:

[1, 3, 7, 21, 71, 213, 497, 617, 727, 1491, 1851, 2181, 4319, 5089, 12957, 15267, 43807, 51617, 131421, 154851, 306649, 361319, 448559, 919947, 1083957, 1345677, 3139913, 9419739, 31847689, 95543067, 222933823, 668801469]

約数ペア:

[(1, 668801469), (3, 222933823), (7, 95543067), (21, 31847689), (71, 9419739), (213, 3139913), (497, 1345677), (617, 1083957), (727, 919947), (1491, 448559), (1851, 361319), (2181, 306649), (4319, 154851), (5089, 131421), (12957, 51617), (15267, 43807)]