28207725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4133}}^1$

素因数の和:4166

約数の個数: 48

約数和(自身を含む): 57412992

約数和(自身を除く): 29205267

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 65, 75, 91, 105, 175, 195, 273, 325, 455, 525, 975, 1365, 2275, 4133, 6825, 12399, 20665, 28931, 53729, 61995, 86793, 103325, 144655, 161187, 268645, 309975, 376103, 433965, 723275, 805935, 1128309, 1343225, 1880515, 2169825, 4029675, 5641545, 9402575, 28207725]

約数ペア:

[(1, 28207725), (3, 9402575), (5, 5641545), (7, 4029675), (13, 2169825), (15, 1880515), (21, 1343225), (25, 1128309), (35, 805935), (39, 723275), (65, 433965), (75, 376103), (91, 309975), (105, 268645), (175, 161187), (195, 144655), (273, 103325), (325, 86793), (455, 61995), (525, 53729), (975, 28931), (1365, 20665), (2275, 12399), (4133, 6825)]