153901923

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{739}}^1$

素因数の和:1007

約数の個数: 32

約数和(自身を含む): 240967680

約数和(自身を除く): 87065757

約数列:

[1, 3, 7, 21, 47, 141, 211, 329, 633, 739, 987, 1477, 2217, 4431, 5173, 9917, 15519, 29751, 34733, 69419, 104199, 155929, 208257, 243131, 467787, 729393, 1091503, 3274509, 7328663, 21985989, 51300641, 153901923]

約数ペア:

[(1, 153901923), (3, 51300641), (7, 21985989), (21, 7328663), (47, 3274509), (141, 1091503), (211, 729393), (329, 467787), (633, 243131), (739, 208257), (987, 155929), (1477, 104199), (2217, 69419), (4431, 34733), (5173, 29751), (9917, 15519)]