72089847

素因数分解:

$3^2\times {\mathrm{157}}^1\times {\mathrm{163}}^1\times {\mathrm{313}}^1$

素因数の和:639

約数の個数: 24

約数和(自身を含む): 105772784

約数和(自身を除く): 33682937

約数列:

[1, 3, 9, 157, 163, 313, 471, 489, 939, 1413, 1467, 2817, 25591, 49141, 51019, 76773, 147423, 153057, 230319, 442269, 459171, 8009983, 24029949, 72089847]

約数ペア:

[(1, 72089847), (3, 24029949), (9, 8009983), (157, 459171), (163, 442269), (313, 230319), (471, 153057), (489, 147423), (939, 76773), (1413, 51019), (1467, 49141), (2817, 25591)]