128522175

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{90191}}^1$

素因数の和:90223

約数の個数: 24

約数和(自身を含む): 223676160

約数和(自身を除く): 95153985

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 1425, 90191, 270573, 450955, 1352865, 1713629, 2254775, 5140887, 6764325, 8568145, 25704435, 42840725, 128522175]

約数ペア:

[(1, 128522175), (3, 42840725), (5, 25704435), (15, 8568145), (19, 6764325), (25, 5140887), (57, 2254775), (75, 1713629), (95, 1352865), (285, 450955), (475, 270573), (1425, 90191)]