13890345

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{503}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 25546752

約数和(自身を除く): 11656407

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 263, 503, 789, 1315, 1509, 1841, 2515, 3521, 3945, 5523, 7545, 9205, 10563, 17605, 27615, 52815, 132289, 396867, 661445, 926023, 1984335, 2778069, 4630115, 13890345]

約数ペア:

[(1, 13890345), (3, 4630115), (5, 2778069), (7, 1984335), (15, 926023), (21, 661445), (35, 396867), (105, 132289), (263, 52815), (503, 27615), (789, 17605), (1315, 10563), (1509, 9205), (1841, 7545), (2515, 5523), (3521, 3945)]