194162913

素因数分解:

$3^4\times 7^1\times {\mathrm{443}}^1\times {\mathrm{773}}^1$

素因数の和:1235

約数の個数: 40

約数和(自身を含む): 332659008

約数和(自身を除く): 138496095

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 443, 567, 773, 1329, 2319, 3101, 3987, 5411, 6957, 9303, 11961, 16233, 20871, 27909, 35883, 48699, 62613, 83727, 146097, 251181, 342439, 438291, 1027317, 2397073, 3081951, 7191219, 9245853, 21573657, 27737559, 64720971, 194162913]

約数ペア:

[(1, 194162913), (3, 64720971), (7, 27737559), (9, 21573657), (21, 9245853), (27, 7191219), (63, 3081951), (81, 2397073), (189, 1027317), (443, 438291), (567, 342439), (773, 251181), (1329, 146097), (2319, 83727), (3101, 62613), (3987, 48699), (5411, 35883), (6957, 27909), (9303, 20871), (11961, 16233)]