389610729

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{30637}}^1$

素因数の和:30806

約数の個数: 20

約数和(自身を含む): 585737284

約数和(自身を除く): 196126555

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 4239, 12717, 30637, 91911, 275733, 827199, 2481597, 4810009, 14430027, 43290081, 129870243, 389610729]

約数ペア:

[(1, 389610729), (3, 129870243), (9, 43290081), (27, 14430027), (81, 4810009), (157, 2481597), (471, 827199), (1413, 275733), (4239, 91911), (12717, 30637)]