80431491

素因数分解:

$3^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{2129}}^1$

素因数の和:2403

約数の個数: 24

約数和(自身を含む): 125295120

約数和(自身を除く): 44863629

約数列:

[1, 3, 7, 21, 49, 147, 257, 771, 1799, 2129, 5397, 6387, 12593, 14903, 37779, 44709, 104321, 312963, 547153, 1641459, 3830071, 11490213, 26810497, 80431491]

約数ペア:

[(1, 80431491), (3, 26810497), (7, 11490213), (21, 3830071), (49, 1641459), (147, 547153), (257, 312963), (771, 104321), (1799, 44709), (2129, 37779), (5397, 14903), (6387, 12593)]