201519657

素因数分解:

$3^6\times {\mathrm{491}}^1\times {\mathrm{563}}^1$

素因数の和:1072

約数の個数: 28

約数和(自身を含む): 303294384

約数和(自身を除く): 101774727

約数列:

[1, 3, 9, 27, 81, 243, 491, 563, 729, 1473, 1689, 4419, 5067, 13257, 15201, 39771, 45603, 119313, 136809, 276433, 357939, 410427, 829299, 2487897, 7463691, 22391073, 67173219, 201519657]

約数ペア:

[(1, 201519657), (3, 67173219), (9, 22391073), (27, 7463691), (81, 2487897), (243, 829299), (491, 410427), (563, 357939), (729, 276433), (1473, 136809), (1689, 119313), (4419, 45603), (5067, 39771), (13257, 15201)]