42097887

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{39979}}^1$

素因数の和:40004

約数の個数: 20

約数和(自身を含む): 67726120

約数和(自身を除く): 25628233

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 39979, 119937, 359811, 519727, 1079433, 1559181, 3238299, 4677543, 14032629, 42097887]

約数ペア:

[(1, 42097887), (3, 14032629), (9, 4677543), (13, 3238299), (27, 1559181), (39, 1079433), (81, 519727), (117, 359811), (351, 119937), (1053, 39979)]