38904381

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1487}}^1$

素因数の和:1535

約数の個数: 40

約数和(自身を含む): 64817280

約数和(自身を除く): 25912899

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 81, 153, 171, 323, 459, 513, 969, 1377, 1487, 1539, 2907, 4461, 8721, 13383, 25279, 26163, 28253, 40149, 75837, 84759, 120447, 227511, 254277, 480301, 682533, 762831, 1440903, 2047599, 2288493, 4322709, 12968127, 38904381]

約数ペア:

[(1, 38904381), (3, 12968127), (9, 4322709), (17, 2288493), (19, 2047599), (27, 1440903), (51, 762831), (57, 682533), (81, 480301), (153, 254277), (171, 227511), (323, 120447), (459, 84759), (513, 75837), (969, 40149), (1377, 28253), (1487, 26163), (1539, 25279), (2907, 13383), (4461, 8721)]