320414079

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1\times {\mathrm{241}}^1$

素因数の和:591

約数の個数: 32

約数和(自身を含む): 459993600

約数和(自身を除く): 139579521

約数列:

[1, 3, 17, 51, 131, 199, 241, 393, 597, 723, 2227, 3383, 4097, 6681, 10149, 12291, 26069, 31571, 47959, 78207, 94713, 143877, 443173, 536707, 815303, 1329519, 1610121, 2445909, 6282629, 18847887, 106804693, 320414079]

約数ペア:

[(1, 320414079), (3, 106804693), (17, 18847887), (51, 6282629), (131, 2445909), (199, 1610121), (241, 1329519), (393, 815303), (597, 536707), (723, 443173), (2227, 143877), (3383, 94713), (4097, 78207), (6681, 47959), (10149, 31571), (12291, 26069)]