80963469

素因数分解:

$3^6\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:221

約数の個数: 56

約数和(自身を含む): 132209280

約数和(自身を除く): 51245811

約数列:

[1, 3, 9, 17, 27, 47, 51, 81, 139, 141, 153, 243, 417, 423, 459, 729, 799, 1251, 1269, 1377, 2363, 2397, 3753, 3807, 4131, 6533, 7089, 7191, 11259, 11421, 12393, 19599, 21267, 21573, 33777, 34263, 58797, 63801, 64719, 101331, 111061, 176391, 191403, 194157, 333183, 529173, 574209, 582471, 999549, 1587519, 1722627, 2998647, 4762557, 8995941, 26987823, 80963469]

約数ペア:

[(1, 80963469), (3, 26987823), (9, 8995941), (17, 4762557), (27, 2998647), (47, 1722627), (51, 1587519), (81, 999549), (139, 582471), (141, 574209), (153, 529173), (243, 333183), (417, 194157), (423, 191403), (459, 176391), (729, 111061), (799, 101331), (1251, 64719), (1269, 63801), (1377, 58797), (2363, 34263), (2397, 33777), (3753, 21573), (3807, 21267), (4131, 19599), (6533, 12393), (7089, 11421), (7191, 11259)]