28979265

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:382

約数の個数: 64

約数和(自身を含む): 56770560

約数和(自身を除く): 27791295

約数列:

[1, 3, 5, 7, 15, 21, 29, 31, 35, 87, 93, 105, 145, 155, 203, 217, 307, 435, 465, 609, 651, 899, 921, 1015, 1085, 1535, 2149, 2697, 3045, 3255, 4495, 4605, 6293, 6447, 8903, 9517, 10745, 13485, 18879, 26709, 28551, 31465, 32235, 44515, 47585, 62321, 66619, 94395, 133545, 142755, 186963, 199857, 275993, 311605, 333095, 827979, 934815, 999285, 1379965, 1931951, 4139895, 5795853, 9659755, 28979265]

約数ペア:

[(1, 28979265), (3, 9659755), (5, 5795853), (7, 4139895), (15, 1931951), (21, 1379965), (29, 999285), (31, 934815), (35, 827979), (87, 333095), (93, 311605), (105, 275993), (145, 199857), (155, 186963), (203, 142755), (217, 133545), (307, 94395), (435, 66619), (465, 62321), (609, 47585), (651, 44515), (899, 32235), (921, 31465), (1015, 28551), (1085, 26709), (1535, 18879), (2149, 13485), (2697, 10745), (3045, 9517), (3255, 8903), (4495, 6447), (4605, 6293)]