252091287

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{4451}}^1$

素因数の和:4524

約数の個数: 48

約数和(自身を含む): 444487680

約数和(自身を除く): 192396393

約数列:

[1, 3, 7, 9, 21, 29, 31, 63, 87, 93, 203, 217, 261, 279, 609, 651, 899, 1827, 1953, 2697, 4451, 6293, 8091, 13353, 18879, 31157, 40059, 56637, 93471, 129079, 137981, 280413, 387237, 413943, 903553, 965867, 1161711, 1241829, 2710659, 2897601, 4001449, 8131977, 8692803, 12004347, 28010143, 36013041, 84030429, 252091287]

約数ペア:

[(1, 252091287), (3, 84030429), (7, 36013041), (9, 28010143), (21, 12004347), (29, 8692803), (31, 8131977), (63, 4001449), (87, 2897601), (93, 2710659), (203, 1241829), (217, 1161711), (261, 965867), (279, 903553), (609, 413943), (651, 387237), (899, 280413), (1827, 137981), (1953, 129079), (2697, 93471), (4451, 56637), (6293, 40059), (8091, 31157), (13353, 18879)]