213156765

素因数分解:

$3^4\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1873}}^1$

素因数の和:2171

約数の個数: 40

約数和(自身を含む): 383667768

約数和(自身を除く): 170511003

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 281, 405, 843, 1405, 1873, 2529, 4215, 5619, 7587, 9365, 12645, 16857, 22761, 28095, 37935, 50571, 84285, 113805, 151713, 252855, 526313, 758565, 1578939, 2631565, 4736817, 7894695, 14210451, 23684085, 42631353, 71052255, 213156765]

約数ペア:

[(1, 213156765), (3, 71052255), (5, 42631353), (9, 23684085), (15, 14210451), (27, 7894695), (45, 4736817), (81, 2631565), (135, 1578939), (281, 758565), (405, 526313), (843, 252855), (1405, 151713), (1873, 113805), (2529, 84285), (4215, 50571), (5619, 37935), (7587, 28095), (9365, 22761), (12645, 16857)]