214908519

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1\times {\mathrm{461}}^1$

素因数の和:831

約数の個数: 32

約数和(自身を含む): 333527040

約数和(自身を除く): 118618521

約数列:

[1, 3, 7, 21, 79, 237, 281, 461, 553, 843, 1383, 1659, 1967, 3227, 5901, 9681, 22199, 36419, 66597, 109257, 129541, 155393, 254933, 388623, 466179, 764799, 906787, 2720361, 10233739, 30701217, 71636173, 214908519]

約数ペア:

[(1, 214908519), (3, 71636173), (7, 30701217), (21, 10233739), (79, 2720361), (237, 906787), (281, 764799), (461, 466179), (553, 388623), (843, 254933), (1383, 155393), (1659, 129541), (1967, 109257), (3227, 66597), (5901, 36419), (9681, 22199)]