28772805

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1439}}^1$

素因数の和:1521

約数の個数: 32

約数和(自身を含む): 48660480

約数和(自身を除く): 19887675

約数列:

[1, 3, 5, 15, 31, 43, 93, 129, 155, 215, 465, 645, 1333, 1439, 3999, 4317, 6665, 7195, 19995, 21585, 44609, 61877, 133827, 185631, 223045, 309385, 669135, 928155, 1918187, 5754561, 9590935, 28772805]

約数ペア:

[(1, 28772805), (3, 9590935), (5, 5754561), (15, 1918187), (31, 928155), (43, 669135), (93, 309385), (129, 223045), (155, 185631), (215, 133827), (465, 61877), (645, 44609), (1333, 21585), (1439, 19995), (3999, 7195), (4317, 6665)]