81289273

素因数分解:

${\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1\times {\mathrm{571}}^1$

素因数の和:864

約数の個数: 16

約数和(自身を含む): 89945856

約数和(自身を除く): 8656583

約数列:

[1, 13, 47, 233, 571, 611, 3029, 7423, 10951, 26837, 133043, 142363, 348881, 1729559, 6253021, 81289273]

約数ペア:

[(1, 81289273), (13, 6253021), (47, 1729559), (233, 348881), (571, 142363), (611, 133043), (3029, 26837), (7423, 10951)]