290615427

素因数分解:

$3^2\times {\mathrm{37}}^2\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:412

約数の個数: 36

約数和(自身を含む): 437520720

約数和(自身を除く): 146905293

約数列:

[1, 3, 9, 37, 103, 111, 229, 309, 333, 687, 927, 1369, 2061, 3811, 4107, 8473, 11433, 12321, 23587, 25419, 34299, 70761, 76257, 141007, 212283, 313501, 423021, 872719, 940503, 1269063, 2618157, 2821509, 7854471, 32290603, 96871809, 290615427]

約数ペア:

[(1, 290615427), (3, 96871809), (9, 32290603), (37, 7854471), (103, 2821509), (111, 2618157), (229, 1269063), (309, 940503), (333, 872719), (687, 423021), (927, 313501), (1369, 212283), (2061, 141007), (3811, 76257), (4107, 70761), (8473, 34299), (11433, 25419), (12321, 23587)]