1900899

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 3704064

約数和(自身を除く): 1803165

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 63, 77, 91, 99, 117, 143, 211, 231, 273, 429, 633, 693, 819, 1001, 1287, 1477, 1899, 2321, 2743, 3003, 4431, 6963, 8229, 9009, 13293, 16247, 19201, 20889, 24687, 30173, 48741, 57603, 90519, 146223, 172809, 211211, 271557, 633633, 1900899]

約数ペア:

[(1, 1900899), (3, 633633), (7, 271557), (9, 211211), (11, 172809), (13, 146223), (21, 90519), (33, 57603), (39, 48741), (63, 30173), (77, 24687), (91, 20889), (99, 19201), (117, 16247), (143, 13293), (211, 9009), (231, 8229), (273, 6963), (429, 4431), (633, 3003), (693, 2743), (819, 2321), (1001, 1899), (1287, 1477)]