1520289897

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{23063}}^1$

素因数の和:23189

約数の個数: 32

約数和(自身を含む): 2403084288

約数和(自身を除く): 882794391

約数列:

[1, 3, 7, 21, 43, 73, 129, 219, 301, 511, 903, 1533, 3139, 9417, 21973, 23063, 65919, 69189, 161441, 484323, 991709, 1683599, 2975127, 5050797, 6941963, 11785193, 20825889, 35355579, 72394757, 217184271, 506763299, 1520289897]

約数ペア:

[(1, 1520289897), (3, 506763299), (7, 217184271), (21, 72394757), (43, 35355579), (73, 20825889), (129, 11785193), (219, 6941963), (301, 5050797), (511, 2975127), (903, 1683599), (1533, 991709), (3139, 484323), (9417, 161441), (21973, 69189), (23063, 65919)]