28393125

素因数分解:

$3^1\times 5^4\times {\mathrm{19}}^1\times {\mathrm{797}}^1$

素因数の和:839

約数の個数: 40

約数和(自身を含む): 49859040

約数和(自身を除く): 21465915

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 125, 285, 375, 475, 625, 797, 1425, 1875, 2375, 2391, 3985, 7125, 11875, 11955, 15143, 19925, 35625, 45429, 59775, 75715, 99625, 227145, 298875, 378575, 498125, 1135725, 1494375, 1892875, 5678625, 9464375, 28393125]

約数ペア:

[(1, 28393125), (3, 9464375), (5, 5678625), (15, 1892875), (19, 1494375), (25, 1135725), (57, 498125), (75, 378575), (95, 298875), (125, 227145), (285, 99625), (375, 75715), (475, 59775), (625, 45429), (797, 35625), (1425, 19925), (1875, 15143), (2375, 11955), (2391, 11875), (3985, 7125)]