64958397

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2293}}^1$

素因数の和:2393

約数の個数: 32

約数和(自身を含む): 105707520

約数和(自身を除く): 40749123

約数列:

[1, 3, 7, 19, 21, 57, 71, 133, 213, 399, 497, 1349, 1491, 2293, 4047, 6879, 9443, 16051, 28329, 43567, 48153, 130701, 162803, 304969, 488409, 914907, 1139621, 3093257, 3418863, 9279771, 21652799, 64958397]

約数ペア:

[(1, 64958397), (3, 21652799), (7, 9279771), (19, 3418863), (21, 3093257), (57, 1139621), (71, 914907), (133, 488409), (213, 304969), (399, 162803), (497, 130701), (1349, 48153), (1491, 43567), (2293, 28329), (4047, 16051), (6879, 9443)]