15385923

素因数分解:

$3^3\times 7^1\times {\mathrm{127}}^1\times {\mathrm{641}}^1$

素因数の和:784

約数の個数: 32

約数和(自身を含む): 26296320

約数和(自身を除く): 10910397

約数列:

[1, 3, 7, 9, 21, 27, 63, 127, 189, 381, 641, 889, 1143, 1923, 2667, 3429, 4487, 5769, 8001, 13461, 17307, 24003, 40383, 81407, 121149, 244221, 569849, 732663, 1709547, 2197989, 5128641, 15385923]

約数ペア:

[(1, 15385923), (3, 5128641), (7, 2197989), (9, 1709547), (21, 732663), (27, 569849), (63, 244221), (127, 121149), (189, 81407), (381, 40383), (641, 24003), (889, 17307), (1143, 13461), (1923, 8001), (2667, 5769), (3429, 4487)]