81760401

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{3391}}^1$

素因数の和:3466

約数の個数: 32

約数和(自身を含む): 130252800

約数和(自身を除く): 48492399

約数列:

[1, 3, 9, 19, 27, 47, 57, 141, 171, 423, 513, 893, 1269, 2679, 3391, 8037, 10173, 24111, 30519, 64429, 91557, 159377, 193287, 478131, 579861, 1434393, 1739583, 3028163, 4303179, 9084489, 27253467, 81760401]

約数ペア:

[(1, 81760401), (3, 27253467), (9, 9084489), (19, 4303179), (27, 3028163), (47, 1739583), (57, 1434393), (141, 579861), (171, 478131), (423, 193287), (513, 159377), (893, 91557), (1269, 64429), (2679, 30519), (3391, 24111), (8037, 10173)]