291247131

素因数分解:

$3^1\times 7^3\times {\mathrm{349}}^1\times {\mathrm{811}}^1$

素因数の和:1184

約数の個数: 32

約数和(自身を含む): 454720000

約数和(自身を除く): 163472869

約数列:

[1, 3, 7, 21, 49, 147, 343, 349, 811, 1029, 1047, 2433, 2443, 5677, 7329, 17031, 17101, 39739, 51303, 119217, 119707, 278173, 283039, 359121, 834519, 849117, 1981273, 5943819, 13868911, 41606733, 97082377, 291247131]

約数ペア:

[(1, 291247131), (3, 97082377), (7, 41606733), (21, 13868911), (49, 5943819), (147, 1981273), (343, 849117), (349, 834519), (811, 359121), (1029, 283039), (1047, 278173), (2433, 119707), (2443, 119217), (5677, 51303), (7329, 39739), (17031, 17101)]