426392385

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{839}}^1\times {\mathrm{1993}}^1$

素因数の和:2857

約数の個数: 32

約数和(自身を含む): 723582720

約数和(自身を除く): 297190335

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 839, 1993, 2517, 4195, 5979, 9965, 12585, 14263, 29895, 33881, 42789, 71315, 101643, 169405, 213945, 508215, 1672127, 5016381, 8360635, 25081905, 28426159, 85278477, 142130795, 426392385]

約数ペア:

[(1, 426392385), (3, 142130795), (5, 85278477), (15, 28426159), (17, 25081905), (51, 8360635), (85, 5016381), (255, 1672127), (839, 508215), (1993, 213945), (2517, 169405), (4195, 101643), (5979, 71315), (9965, 42789), (12585, 33881), (14263, 29895)]