209884311

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{6571}}^1$

素因数の和:6613

約数の個数: 48

約数和(自身を含む): 384856320

約数和(自身を除く): 174972009

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 169, 189, 273, 351, 507, 819, 1183, 1521, 2457, 3549, 4563, 6571, 10647, 19713, 31941, 45997, 59139, 85423, 137991, 177417, 256269, 413973, 597961, 768807, 1110499, 1241919, 1793883, 2306421, 3331497, 5381649, 7773493, 9994491, 16144947, 23320479, 29983473, 69961437, 209884311]

約数ペア:

[(1, 209884311), (3, 69961437), (7, 29983473), (9, 23320479), (13, 16144947), (21, 9994491), (27, 7773493), (39, 5381649), (63, 3331497), (91, 2306421), (117, 1793883), (169, 1241919), (189, 1110499), (273, 768807), (351, 597961), (507, 413973), (819, 256269), (1183, 177417), (1521, 137991), (2457, 85423), (3549, 59139), (4563, 45997), (6571, 31941), (10647, 19713)]