138179601

素因数分解:

$3^4\times 7^1\times {\mathrm{243703}}^1$

素因数の和:243722

約数の個数: 20

約数和(自身を含む): 235905472

約数和(自身を除く): 97725871

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 243703, 731109, 1705921, 2193327, 5117763, 6579981, 15353289, 19739943, 46059867, 138179601]

約数ペア:

[(1, 138179601), (3, 46059867), (7, 19739943), (9, 15353289), (21, 6579981), (27, 5117763), (63, 2193327), (81, 1705921), (189, 731109), (567, 243703)]