251004879

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{347}}^1\times {\mathrm{367}}^1$

素因数の和:796

約数の個数: 32

約数和(自身を含む): 379069440

約数和(自身を除く): 128064561

約数列:

[1, 3, 9, 27, 73, 219, 347, 367, 657, 1041, 1101, 1971, 3123, 3303, 9369, 9909, 25331, 26791, 75993, 80373, 127349, 227979, 241119, 382047, 683937, 723357, 1146141, 3438423, 9296477, 27889431, 83668293, 251004879]

約数ペア:

[(1, 251004879), (3, 83668293), (9, 27889431), (27, 9296477), (73, 3438423), (219, 1146141), (347, 723357), (367, 683937), (657, 382047), (1041, 241119), (1101, 227979), (1971, 127349), (3123, 80373), (3303, 75993), (9369, 26791), (9909, 25331)]