16078905

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^2$

素因数の和:120

約数の個数: 60

約数和(自身を含む): 30644460

約数和(自身を除く): 14565555

約数列:

[1, 3, 5, 9, 15, 27, 29, 37, 45, 81, 87, 111, 135, 145, 185, 261, 333, 405, 435, 555, 783, 999, 1073, 1305, 1369, 1665, 2349, 2997, 3219, 3915, 4107, 4995, 5365, 6845, 9657, 11745, 12321, 14985, 16095, 20535, 28971, 36963, 39701, 48285, 61605, 86913, 110889, 119103, 144855, 184815, 198505, 357309, 434565, 554445, 595515, 1071927, 1786545, 3215781, 5359635, 16078905]

約数ペア:

[(1, 16078905), (3, 5359635), (5, 3215781), (9, 1786545), (15, 1071927), (27, 595515), (29, 554445), (37, 434565), (45, 357309), (81, 198505), (87, 184815), (111, 144855), (135, 119103), (145, 110889), (185, 86913), (261, 61605), (333, 48285), (405, 39701), (435, 36963), (555, 28971), (783, 20535), (999, 16095), (1073, 14985), (1305, 12321), (1369, 11745), (1665, 9657), (2349, 6845), (2997, 5365), (3219, 4995), (3915, 4107)]