28646775

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{6701}}^1$

素因数の和:6736

約数の個数: 36

約数和(自身を含む): 54018120

約数和(自身を除く): 25371345

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 475, 855, 1425, 4275, 6701, 20103, 33505, 60309, 100515, 127319, 167525, 301545, 381957, 502575, 636595, 1145871, 1507725, 1909785, 3182975, 5729355, 9548925, 28646775]

約数ペア:

[(1, 28646775), (3, 9548925), (5, 5729355), (9, 3182975), (15, 1909785), (19, 1507725), (25, 1145871), (45, 636595), (57, 502575), (75, 381957), (95, 301545), (171, 167525), (225, 127319), (285, 100515), (475, 60309), (855, 33505), (1425, 20103), (4275, 6701)]