28422303

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 48263040

約数和(自身を除く): 19840737

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 107, 139, 147, 273, 321, 417, 637, 749, 973, 1391, 1807, 1911, 2247, 2919, 4173, 5243, 5421, 6811, 9737, 12649, 14873, 15729, 20433, 29211, 37947, 44619, 68159, 88543, 104111, 193349, 204477, 265629, 312333, 580047, 728777, 1353443, 2186331, 4060329, 9474101, 28422303]

約数ペア:

[(1, 28422303), (3, 9474101), (7, 4060329), (13, 2186331), (21, 1353443), (39, 728777), (49, 580047), (91, 312333), (107, 265629), (139, 204477), (147, 193349), (273, 104111), (321, 88543), (417, 68159), (637, 44619), (749, 37947), (973, 29211), (1391, 20433), (1807, 15729), (1911, 14873), (2247, 12649), (2919, 9737), (4173, 6811), (5243, 5421)]