12701985

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 21288960

約数和(自身を除く): 8586975

約数列:

[1, 3, 5, 15, 43, 47, 129, 141, 215, 235, 419, 645, 705, 1257, 2021, 2095, 6063, 6285, 10105, 18017, 19693, 30315, 54051, 59079, 90085, 98465, 270255, 295395, 846799, 2540397, 4233995, 12701985]

約数ペア:

[(1, 12701985), (3, 4233995), (5, 2540397), (15, 846799), (43, 295395), (47, 270255), (129, 98465), (141, 90085), (215, 59079), (235, 54051), (419, 30315), (645, 19693), (705, 18017), (1257, 10105), (2021, 6285), (2095, 6063)]