25217811

素因数分解:

$3^5\times {\mathrm{157}}^1\times {\mathrm{661}}^1$

素因数の和:833

約数の個数: 24

約数和(自身を含む): 38072944

約数和(自身を除く): 12855133

約数列:

[1, 3, 9, 27, 81, 157, 243, 471, 661, 1413, 1983, 4239, 5949, 12717, 17847, 38151, 53541, 103777, 160623, 311331, 933993, 2801979, 8405937, 25217811]

約数ペア:

[(1, 25217811), (3, 8405937), (9, 2801979), (27, 933993), (81, 311331), (157, 160623), (243, 103777), (471, 53541), (661, 38151), (1413, 17847), (1983, 12717), (4239, 5949)]