178443351

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{349}}^1\times {\mathrm{653}}^1$

素因数の和:1040

約数の個数: 32

約数和(自身を含む): 274680000

約数和(自身を除く): 96236649

約数列:

[1, 3, 9, 27, 29, 87, 261, 349, 653, 783, 1047, 1959, 3141, 5877, 9423, 10121, 17631, 18937, 30363, 56811, 91089, 170433, 227897, 273267, 511299, 683691, 2051073, 6153219, 6609013, 19827039, 59481117, 178443351]

約数ペア:

[(1, 178443351), (3, 59481117), (9, 19827039), (27, 6609013), (29, 6153219), (87, 2051073), (261, 683691), (349, 511299), (653, 273267), (783, 227897), (1047, 170433), (1959, 91089), (3141, 56811), (5877, 30363), (9423, 18937), (10121, 17631)]