28488999

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6491}}^1$

素因数の和:6531

約数の個数: 32

約数和(自身を含む): 49858560

約数和(自身を除く): 21369561

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463, 4389, 6491, 19473, 45437, 71401, 123329, 136311, 214203, 369987, 499807, 863303, 1356619, 1499421, 2589909, 4069857, 9496333, 28488999]

約数ペア:

[(1, 28488999), (3, 9496333), (7, 4069857), (11, 2589909), (19, 1499421), (21, 1356619), (33, 863303), (57, 499807), (77, 369987), (133, 214203), (209, 136311), (231, 123329), (399, 71401), (627, 45437), (1463, 19473), (4389, 6491)]