78464457

素因数分解:

$3^6\times {\mathrm{37}}^1\times {\mathrm{2909}}^1$

素因数の和:2964

約数の個数: 28

約数和(自身を含む): 120863940

約数和(自身を除く): 42399483

約数列:

[1, 3, 9, 27, 37, 81, 111, 243, 333, 729, 999, 2909, 2997, 8727, 8991, 26181, 26973, 78543, 107633, 235629, 322899, 706887, 968697, 2120661, 2906091, 8718273, 26154819, 78464457]

約数ペア:

[(1, 78464457), (3, 26154819), (9, 8718273), (27, 2906091), (37, 2120661), (81, 968697), (111, 706887), (243, 322899), (333, 235629), (729, 107633), (999, 78543), (2909, 26973), (2997, 26181), (8727, 8991)]