28507125

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{4001}}^1$

素因数の和:4038

約数の個数: 32

約数和(自身を含む): 49944960

約数和(自身を除く): 21437835

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 125, 285, 375, 475, 1425, 2375, 4001, 7125, 12003, 20005, 60015, 76019, 100025, 228057, 300075, 380095, 500125, 1140285, 1500375, 1900475, 5701425, 9502375, 28507125]

約数ペア:

[(1, 28507125), (3, 9502375), (5, 5701425), (15, 1900475), (19, 1500375), (25, 1140285), (57, 500125), (75, 380095), (95, 300075), (125, 228057), (285, 100025), (375, 76019), (475, 60015), (1425, 20005), (2375, 12003), (4001, 7125)]