4075755

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:211

約数の個数: 32

約数和(自身を含む): 6842880

約数和(自身を除く): 2767125

約数列:

[1, 3, 5, 15, 43, 71, 89, 129, 213, 215, 267, 355, 445, 645, 1065, 1335, 3053, 3827, 6319, 9159, 11481, 15265, 18957, 19135, 31595, 45795, 57405, 94785, 271717, 815151, 1358585, 4075755]

約数ペア:

[(1, 4075755), (3, 1358585), (5, 815151), (15, 271717), (43, 94785), (71, 57405), (89, 45795), (129, 31595), (213, 19135), (215, 18957), (267, 15265), (355, 11481), (445, 9159), (645, 6319), (1065, 3827), (1335, 3053)]