64541043

素因数分解:

$3^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1997}}^1$

素因数の和:2038

約数の個数: 48

約数和(自身を含む): 116363520

約数和(自身を除く): 51822477

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 243, 399, 513, 567, 1197, 1539, 1701, 1997, 3591, 4617, 5991, 10773, 13979, 17973, 32319, 37943, 41937, 53919, 113829, 125811, 161757, 265601, 341487, 377433, 485271, 796803, 1024461, 1132299, 2390409, 3073383, 3396897, 7171227, 9220149, 21513681, 64541043]

約数ペア:

[(1, 64541043), (3, 21513681), (7, 9220149), (9, 7171227), (19, 3396897), (21, 3073383), (27, 2390409), (57, 1132299), (63, 1024461), (81, 796803), (133, 485271), (171, 377433), (189, 341487), (243, 265601), (399, 161757), (513, 125811), (567, 113829), (1197, 53919), (1539, 41937), (1701, 37943), (1997, 32319), (3591, 17973), (4617, 13979), (5991, 10773)]