30856581

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{613}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 55171584

約数和(自身を除く): 24315003

約数列:

[1, 3, 7, 9, 17, 21, 47, 51, 63, 119, 141, 153, 329, 357, 423, 613, 799, 987, 1071, 1839, 2397, 2961, 4291, 5517, 5593, 7191, 10421, 12873, 16779, 28811, 31263, 38619, 50337, 72947, 86433, 93789, 201677, 218841, 259299, 489787, 605031, 656523, 1469361, 1815093, 3428509, 4408083, 10285527, 30856581]

約数ペア:

[(1, 30856581), (3, 10285527), (7, 4408083), (9, 3428509), (17, 1815093), (21, 1469361), (47, 656523), (51, 605031), (63, 489787), (119, 259299), (141, 218841), (153, 201677), (329, 93789), (357, 86433), (423, 72947), (613, 50337), (799, 38619), (987, 31263), (1071, 28811), (1839, 16779), (2397, 12873), (2961, 10421), (4291, 7191), (5517, 5593)]