78765981

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{733}}^1$

素因数の和:810

約数の個数: 48

約数和(自身を含む): 132542784

約数和(自身を除く): 53776803

約数列:

[1, 3, 7, 17, 21, 43, 49, 51, 119, 129, 147, 301, 357, 731, 733, 833, 903, 2107, 2193, 2199, 2499, 5117, 5131, 6321, 12461, 15351, 15393, 31519, 35819, 35917, 37383, 87227, 94557, 107457, 107751, 220633, 261681, 535823, 610589, 661899, 1544431, 1607469, 1831767, 3750761, 4633293, 11252283, 26255327, 78765981]

約数ペア:

[(1, 78765981), (3, 26255327), (7, 11252283), (17, 4633293), (21, 3750761), (43, 1831767), (49, 1607469), (51, 1544431), (119, 661899), (129, 610589), (147, 535823), (301, 261681), (357, 220633), (731, 107751), (733, 107457), (833, 94557), (903, 87227), (2107, 37383), (2193, 35917), (2199, 35819), (2499, 31519), (5117, 15393), (5131, 15351), (6321, 12461)]