81530406

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^2\times {\mathrm{12547}}^1$

素因数の和:12593

約数の個数: 36

約数和(自身を含む): 186450732

約数和(自身を除く): 104920326

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 361, 722, 1083, 2166, 3249, 6498, 12547, 25094, 37641, 75282, 112923, 225846, 238393, 476786, 715179, 1430358, 2145537, 4291074, 4529467, 9058934, 13588401, 27176802, 40765203, 81530406]

約数ペア:

[(1, 81530406), (2, 40765203), (3, 27176802), (6, 13588401), (9, 9058934), (18, 4529467), (19, 4291074), (38, 2145537), (57, 1430358), (114, 715179), (171, 476786), (342, 238393), (361, 225846), (722, 112923), (1083, 75282), (2166, 37641), (3249, 25094), (6498, 12547)]