68572581

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 119771136

約数和(自身を除く): 51198555

約数列:

[1, 3, 7, 11, 21, 33, 37, 71, 77, 111, 113, 213, 231, 259, 339, 407, 497, 777, 781, 791, 1221, 1243, 1491, 2343, 2373, 2627, 2849, 3729, 4181, 5467, 7881, 8023, 8547, 8701, 12543, 16401, 18389, 24069, 26103, 28897, 29267, 45991, 55167, 56161, 86691, 87801, 88253, 137973, 168483, 202279, 264759, 296851, 321937, 606837, 617771, 890553, 965811, 1853313, 2077957, 3265361, 6233871, 9796083, 22857527, 68572581]

約数ペア:

[(1, 68572581), (3, 22857527), (7, 9796083), (11, 6233871), (21, 3265361), (33, 2077957), (37, 1853313), (71, 965811), (77, 890553), (111, 617771), (113, 606837), (213, 321937), (231, 296851), (259, 264759), (339, 202279), (407, 168483), (497, 137973), (777, 88253), (781, 87801), (791, 86691), (1221, 56161), (1243, 55167), (1491, 45991), (2343, 29267), (2373, 28897), (2627, 26103), (2849, 24069), (3729, 18389), (4181, 16401), (5467, 12543), (7881, 8701), (8023, 8547)]