28037175

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^2\times {\mathrm{389}}^1$

素因数の和:464

約数の個数: 36

約数和(自身を含む): 48021480

約数和(自身を除く): 19984305

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 389, 465, 775, 961, 1167, 1945, 2325, 2883, 4805, 5835, 9725, 12059, 14415, 24025, 29175, 36177, 60295, 72075, 180885, 301475, 373829, 904425, 1121487, 1869145, 5607435, 9345725, 28037175]

約数ペア:

[(1, 28037175), (3, 9345725), (5, 5607435), (15, 1869145), (25, 1121487), (31, 904425), (75, 373829), (93, 301475), (155, 180885), (389, 72075), (465, 60295), (775, 36177), (961, 29175), (1167, 24025), (1945, 14415), (2325, 12059), (2883, 9725), (4805, 5835)]