71375661

素因数分解:

$3^6\times 7^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:293

約数の個数: 56

約数和(自身を含む): 124654464

約数和(自身を除く): 53278803

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 81, 189, 197, 213, 243, 497, 567, 591, 639, 729, 1379, 1491, 1701, 1773, 1917, 4137, 4473, 5103, 5319, 5751, 12411, 13419, 13987, 15957, 17253, 37233, 40257, 41961, 47871, 51759, 97909, 111699, 120771, 125883, 143613, 293727, 335097, 362313, 377649, 881181, 1005291, 1132947, 2643543, 3398841, 7930629, 10196523, 23791887, 71375661]

約数ペア:

[(1, 71375661), (3, 23791887), (7, 10196523), (9, 7930629), (21, 3398841), (27, 2643543), (63, 1132947), (71, 1005291), (81, 881181), (189, 377649), (197, 362313), (213, 335097), (243, 293727), (497, 143613), (567, 125883), (591, 120771), (639, 111699), (729, 97909), (1379, 51759), (1491, 47871), (1701, 41961), (1773, 40257), (1917, 37233), (4137, 17253), (4473, 15957), (5103, 13987), (5319, 13419), (5751, 12411)]