6921855

素因数分解:

$3^8\times 5^1\times {\mathrm{211}}^1$

素因数の和:240

約数の個数: 36

約数和(自身を含む): 12517752

約数和(自身を除く): 5595897

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 211, 243, 405, 633, 729, 1055, 1215, 1899, 2187, 3165, 3645, 5697, 6561, 9495, 10935, 17091, 28485, 32805, 51273, 85455, 153819, 256365, 461457, 769095, 1384371, 2307285, 6921855]

約数ペア:

[(1, 6921855), (3, 2307285), (5, 1384371), (9, 769095), (15, 461457), (27, 256365), (45, 153819), (81, 85455), (135, 51273), (211, 32805), (243, 28485), (405, 17091), (633, 10935), (729, 9495), (1055, 6561), (1215, 5697), (1899, 3645), (2187, 3165)]