2909725

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1279}}^1$

素因数の和:1309

約数の個数: 24

約数和(自身を含む): 4444160

約数和(自身を除く): 1534435

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 1279, 2275, 6395, 8953, 16627, 31975, 44765, 83135, 116389, 223825, 415675, 581945, 2909725]

約数ペア:

[(1, 2909725), (5, 581945), (7, 415675), (13, 223825), (25, 116389), (35, 83135), (65, 44765), (91, 31975), (175, 16627), (325, 8953), (455, 6395), (1279, 2275)]