647643033

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{10007}}^1$

素因数の和:10083

約数の個数: 40

約数和(自身を含む): 1046276352

約数和(自身を除く): 398633319

約数列:

[1, 3, 9, 17, 27, 47, 51, 81, 141, 153, 423, 459, 799, 1269, 1377, 2397, 3807, 7191, 10007, 21573, 30021, 64719, 90063, 170119, 270189, 470329, 510357, 810567, 1410987, 1531071, 4232961, 4593213, 7995593, 12698883, 13779639, 23986779, 38096649, 71960337, 215881011, 647643033]

約数ペア:

[(1, 647643033), (3, 215881011), (9, 71960337), (17, 38096649), (27, 23986779), (47, 13779639), (51, 12698883), (81, 7995593), (141, 4593213), (153, 4232961), (423, 1531071), (459, 1410987), (799, 810567), (1269, 510357), (1377, 470329), (2397, 270189), (3807, 170119), (7191, 90063), (10007, 64719), (21573, 30021)]