1918791

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{229}}^1$

素因数の和:268

約数の個数: 36

約数和(自身を含む): 3408600

約数和(自身を除く): 1489809

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 229, 399, 441, 687, 931, 1197, 1603, 2061, 2793, 4351, 4809, 8379, 11221, 13053, 14427, 30457, 33663, 39159, 91371, 100989, 213199, 274113, 639597, 1918791]

約数ペア:

[(1, 1918791), (3, 639597), (7, 274113), (9, 213199), (19, 100989), (21, 91371), (49, 39159), (57, 33663), (63, 30457), (133, 14427), (147, 13053), (171, 11221), (229, 8379), (399, 4809), (441, 4351), (687, 2793), (931, 2061), (1197, 1603)]