265897281

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{1789}}^1$

素因数の和:1945

約数の個数: 32

約数和(自身を含む): 396148480

約数和(自身を除く): 130251199

約数列:

[1, 3, 13, 37, 39, 103, 111, 309, 481, 1339, 1443, 1789, 3811, 4017, 5367, 11433, 23257, 49543, 66193, 69771, 148629, 184267, 198579, 552801, 860509, 2395471, 2581527, 6817879, 7186413, 20453637, 88632427, 265897281]

約数ペア:

[(1, 265897281), (3, 88632427), (13, 20453637), (37, 7186413), (39, 6817879), (103, 2581527), (111, 2395471), (309, 860509), (481, 552801), (1339, 198579), (1443, 184267), (1789, 148629), (3811, 69771), (4017, 66193), (5367, 49543), (11433, 23257)]