247213053

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{50033}}^1$

素因数の和:50106

約数の個数: 20

約数和(自身を含む): 375355068

約数和(自身を除く): 128142015

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4941, 50033, 150099, 450297, 1350891, 3052013, 4052673, 9156039, 27468117, 82404351, 247213053]

約数ペア:

[(1, 247213053), (3, 82404351), (9, 27468117), (27, 9156039), (61, 4052673), (81, 3052013), (183, 1350891), (549, 450297), (1647, 150099), (4941, 50033)]