390977145

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{222779}}^1$

素因数の和:222806

約数の個数: 32

約数和(自身を含む): 748540800

約数和(自身を除く): 357563655

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 222779, 668337, 1113895, 2005011, 2896127, 3341685, 6015033, 8688381, 10025055, 14480635, 26065143, 30075165, 43441905, 78195429, 130325715, 390977145]

約数ペア:

[(1, 390977145), (3, 130325715), (5, 78195429), (9, 43441905), (13, 30075165), (15, 26065143), (27, 14480635), (39, 10025055), (45, 8688381), (65, 6015033), (117, 3341685), (135, 2896127), (195, 2005011), (351, 1113895), (585, 668337), (1755, 222779)]