16540887

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:124

約数の個数: 64

約数和(自身を含む): 28016640

約数和(自身を除く): 11475753

約数列:

[1, 3, 11, 19, 23, 31, 33, 37, 57, 69, 93, 111, 209, 253, 341, 407, 437, 589, 627, 703, 713, 759, 851, 1023, 1147, 1221, 1311, 1767, 2109, 2139, 2553, 3441, 4807, 6479, 7733, 7843, 9361, 12617, 13547, 14421, 16169, 19437, 21793, 23199, 23529, 26381, 28083, 37851, 40641, 48507, 65379, 79143, 149017, 177859, 239723, 290191, 447051, 501239, 533577, 719169, 870573, 1503717, 5513629, 16540887]

約数ペア:

[(1, 16540887), (3, 5513629), (11, 1503717), (19, 870573), (23, 719169), (31, 533577), (33, 501239), (37, 447051), (57, 290191), (69, 239723), (93, 177859), (111, 149017), (209, 79143), (253, 65379), (341, 48507), (407, 40641), (437, 37851), (589, 28083), (627, 26381), (703, 23529), (713, 23199), (759, 21793), (851, 19437), (1023, 16169), (1147, 14421), (1221, 13547), (1311, 12617), (1767, 9361), (2109, 7843), (2139, 7733), (2553, 6479), (3441, 4807)]