179863983

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{18979}}^1$

素因数の和:19010

約数の個数: 28

約数和(自身を含む): 290431960

約数和(自身を除く): 110567977

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 729, 1053, 3159, 9477, 18979, 56937, 170811, 246727, 512433, 740181, 1537299, 2220543, 4611897, 6661629, 13835691, 19984887, 59954661, 179863983]

約数ペア:

[(1, 179863983), (3, 59954661), (9, 19984887), (13, 13835691), (27, 6661629), (39, 4611897), (81, 2220543), (117, 1537299), (243, 740181), (351, 512433), (729, 246727), (1053, 170811), (3159, 56937), (9477, 18979)]