138609873

素因数分解:

$3^7\times {\mathrm{61}}^1\times {\mathrm{1039}}^1$

素因数の和:1121

約数の個数: 32

約数和(自身を含む): 211494400

約数和(自身を除く): 72884527

約数列:

[1, 3, 9, 27, 61, 81, 183, 243, 549, 729, 1039, 1647, 2187, 3117, 4941, 9351, 14823, 28053, 44469, 63379, 84159, 133407, 190137, 252477, 570411, 757431, 1711233, 2272293, 5133699, 15401097, 46203291, 138609873]

約数ペア:

[(1, 138609873), (3, 46203291), (9, 15401097), (27, 5133699), (61, 2272293), (81, 1711233), (183, 757431), (243, 570411), (549, 252477), (729, 190137), (1039, 133407), (1647, 84159), (2187, 63379), (3117, 44469), (4941, 28053), (9351, 14823)]