328298817

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{541}}^1$

素因数の和:670

約数の個数: 64

約数和(自身を含む): 569438208

約数和(自身を除く): 241139391

約数列:

[1, 3, 7, 11, 21, 33, 37, 71, 77, 111, 213, 231, 259, 407, 497, 541, 777, 781, 1221, 1491, 1623, 2343, 2627, 2849, 3787, 5467, 5951, 7881, 8547, 11361, 16401, 17853, 18389, 20017, 28897, 38411, 41657, 55167, 60051, 86691, 115233, 124971, 140119, 202279, 220187, 268877, 420357, 422521, 606837, 660561, 806631, 1267563, 1421207, 1541309, 2957647, 4263621, 4623927, 8872941, 9948449, 15633277, 29845347, 46899831, 109432939, 328298817]

約数ペア:

[(1, 328298817), (3, 109432939), (7, 46899831), (11, 29845347), (21, 15633277), (33, 9948449), (37, 8872941), (71, 4623927), (77, 4263621), (111, 2957647), (213, 1541309), (231, 1421207), (259, 1267563), (407, 806631), (497, 660561), (541, 606837), (777, 422521), (781, 420357), (1221, 268877), (1491, 220187), (1623, 202279), (2343, 140119), (2627, 124971), (2849, 115233), (3787, 86691), (5467, 60051), (5951, 55167), (7881, 41657), (8547, 38411), (11361, 28897), (16401, 20017), (17853, 18389)]