255996855

素因数分解:

$3^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1933}}^1$

素因数の和:2062

約数の個数: 48

約数和(自身を含む): 464624160

約数和(自身を除く): 208627305

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 109, 135, 243, 327, 405, 545, 981, 1215, 1635, 1933, 2943, 4905, 5799, 8829, 9665, 14715, 17397, 26487, 28995, 44145, 52191, 86985, 132435, 156573, 210697, 260955, 469719, 632091, 782865, 1053485, 1896273, 2348595, 3160455, 5688819, 9481365, 17066457, 28444095, 51199371, 85332285, 255996855]

約数ペア:

[(1, 255996855), (3, 85332285), (5, 51199371), (9, 28444095), (15, 17066457), (27, 9481365), (45, 5688819), (81, 3160455), (109, 2348595), (135, 1896273), (243, 1053485), (327, 782865), (405, 632091), (545, 469719), (981, 260955), (1215, 210697), (1635, 156573), (1933, 132435), (2943, 86985), (4905, 52191), (5799, 44145), (8829, 28995), (9665, 26487), (14715, 17397)]