51020487

素因数分解:

$3^2\times 7^1\times {\mathrm{431}}^1\times {\mathrm{1879}}^1$

素因数の和:2323

約数の個数: 24

約数和(自身を含む): 84464640

約数和(自身を除く): 33444153

約数列:

[1, 3, 7, 9, 21, 63, 431, 1293, 1879, 3017, 3879, 5637, 9051, 13153, 16911, 27153, 39459, 118377, 809849, 2429547, 5668943, 7288641, 17006829, 51020487]

約数ペア:

[(1, 51020487), (3, 17006829), (7, 7288641), (9, 5668943), (21, 2429547), (63, 809849), (431, 118377), (1293, 39459), (1879, 27153), (3017, 16911), (3879, 13153), (5637, 9051)]