261280755

素因数分解:

$3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{41179}}^1$

素因数の和:41240

約数の個数: 32

約数和(自身を含む): 474393600

約数和(自身を除く): 213112845

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 135, 141, 235, 423, 705, 1269, 2115, 6345, 41179, 123537, 205895, 370611, 617685, 1111833, 1853055, 1935413, 5559165, 5806239, 9677065, 17418717, 29031195, 52256151, 87093585, 261280755]

約数ペア:

[(1, 261280755), (3, 87093585), (5, 52256151), (9, 29031195), (15, 17418717), (27, 9677065), (45, 5806239), (47, 5559165), (135, 1935413), (141, 1853055), (235, 1111833), (423, 617685), (705, 370611), (1269, 205895), (2115, 123537), (6345, 41179)]