68564559

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{719}}^1$

素因数の和:987

約数の個数: 32

約数和(自身を含む): 110592000

約数和(自身を除く): 42027441

約数列:

[1, 3, 7, 19, 21, 57, 133, 239, 399, 717, 719, 1673, 2157, 4541, 5019, 5033, 13623, 13661, 15099, 31787, 40983, 95361, 95627, 171841, 286881, 515523, 1202887, 3264979, 3608661, 9794937, 22854853, 68564559]

約数ペア:

[(1, 68564559), (3, 22854853), (7, 9794937), (19, 3608661), (21, 3264979), (57, 1202887), (133, 515523), (239, 286881), (399, 171841), (717, 95627), (719, 95361), (1673, 40983), (2157, 31787), (4541, 15099), (5019, 13661), (5033, 13623)]