42749145

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{49999}}^1$

素因数の和:50029

約数の個数: 24

約数和(自身を含む): 78000000

約数和(自身を除く): 35250855

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 49999, 149997, 249995, 449991, 749985, 949981, 2249955, 2849943, 4749905, 8549829, 14249715, 42749145]

約数ペア:

[(1, 42749145), (3, 14249715), (5, 8549829), (9, 4749905), (15, 2849943), (19, 2249955), (45, 949981), (57, 749985), (95, 449991), (171, 249995), (285, 149997), (855, 49999)]