40450221

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{719}}^1$

素因数の和:798

約数の個数: 48

約数和(自身を含む): 71884800

約数和(自身を除く): 31434579

約数列:

[1, 3, 7, 9, 19, 21, 47, 57, 63, 133, 141, 171, 329, 399, 423, 719, 893, 987, 1197, 2157, 2679, 2961, 5033, 6251, 6471, 8037, 13661, 15099, 18753, 33793, 40983, 45297, 56259, 95627, 101379, 122949, 236551, 286881, 304137, 642067, 709653, 860643, 1926201, 2128959, 4494469, 5778603, 13483407, 40450221]

約数ペア:

[(1, 40450221), (3, 13483407), (7, 5778603), (9, 4494469), (19, 2128959), (21, 1926201), (47, 860643), (57, 709653), (63, 642067), (133, 304137), (141, 286881), (171, 236551), (329, 122949), (399, 101379), (423, 95627), (719, 56259), (893, 45297), (987, 40983), (1197, 33793), (2157, 18753), (2679, 15099), (2961, 13661), (5033, 8037), (6251, 6471)]