28872855

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6481}}^1$

素因数の和:6509

約数の個数: 40

約数和(自身を含む): 56471184

約数和(自身を除く): 27598329

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 297, 405, 495, 891, 1485, 4455, 6481, 19443, 32405, 58329, 71291, 97215, 174987, 213873, 291645, 356455, 524961, 641619, 874935, 1069365, 1924857, 2624805, 3208095, 5774571, 9624285, 28872855]

約数ペア:

[(1, 28872855), (3, 9624285), (5, 5774571), (9, 3208095), (11, 2624805), (15, 1924857), (27, 1069365), (33, 874935), (45, 641619), (55, 524961), (81, 356455), (99, 291645), (135, 213873), (165, 174987), (297, 97215), (405, 71291), (495, 58329), (891, 32405), (1485, 19443), (4455, 6481)]