28553625

素因数分解:

$3^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{1493}}^1$

素因数の和:1531

約数の個数: 48

約数和(自身を含む): 54536976

約数和(自身を除く): 25983351

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 125, 153, 225, 255, 375, 425, 765, 1125, 1275, 1493, 2125, 3825, 4479, 6375, 7465, 13437, 19125, 22395, 25381, 37325, 67185, 76143, 111975, 126905, 186625, 228429, 335925, 380715, 559875, 634525, 1142145, 1679625, 1903575, 3172625, 5710725, 9517875, 28553625]

約数ペア:

[(1, 28553625), (3, 9517875), (5, 5710725), (9, 3172625), (15, 1903575), (17, 1679625), (25, 1142145), (45, 634525), (51, 559875), (75, 380715), (85, 335925), (125, 228429), (153, 186625), (225, 126905), (255, 111975), (375, 76143), (425, 67185), (765, 37325), (1125, 25381), (1275, 22395), (1493, 19125), (2125, 13437), (3825, 7465), (4479, 6375)]