215544189

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{337}}^1$

素因数の和:602

約数の個数: 48

約数和(自身を含む): 354494400

約数和(自身を除く): 138950211

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 229, 337, 399, 687, 931, 1011, 1603, 2359, 2793, 4351, 4809, 6403, 7077, 11221, 13053, 16513, 19209, 30457, 33663, 44821, 49539, 77173, 91371, 134463, 213199, 231519, 313747, 540211, 639597, 941241, 1466287, 1620633, 3781477, 4398861, 10264009, 11344431, 30792027, 71848063, 215544189]

約数ペア:

[(1, 215544189), (3, 71848063), (7, 30792027), (19, 11344431), (21, 10264009), (49, 4398861), (57, 3781477), (133, 1620633), (147, 1466287), (229, 941241), (337, 639597), (399, 540211), (687, 313747), (931, 231519), (1011, 213199), (1603, 134463), (2359, 91371), (2793, 77173), (4351, 49539), (4809, 44821), (6403, 33663), (7077, 30457), (11221, 19209), (13053, 16513)]