30581475

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{5743}}^1$

素因数の和:5827

約数の個数: 24

約数和(自身を含む): 51282432

約数和(自身を除く): 20700957

約数列:

[1, 3, 5, 15, 25, 71, 75, 213, 355, 1065, 1775, 5325, 5743, 17229, 28715, 86145, 143575, 407753, 430725, 1223259, 2038765, 6116295, 10193825, 30581475]

約数ペア:

[(1, 30581475), (3, 10193825), (5, 6116295), (15, 2038765), (25, 1223259), (71, 430725), (75, 407753), (213, 143575), (355, 86145), (1065, 28715), (1775, 17229), (5325, 5743)]