291204153

素因数分解:

$3^6\times {\mathrm{173}}^1\times {\mathrm{2309}}^1$

素因数の和:2500

約数の個数: 28

約数和(自身を含む): 439320420

約数和(自身を除く): 148116267

約数列:

[1, 3, 9, 27, 81, 173, 243, 519, 729, 1557, 2309, 4671, 6927, 14013, 20781, 42039, 62343, 126117, 187029, 399457, 561087, 1198371, 1683261, 3595113, 10785339, 32356017, 97068051, 291204153]

約数ペア:

[(1, 291204153), (3, 97068051), (9, 32356017), (27, 10785339), (81, 3595113), (173, 1683261), (243, 1198371), (519, 561087), (729, 399457), (1557, 187029), (2309, 126117), (4671, 62343), (6927, 42039), (14013, 20781)]