72185247

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 117194688

約数和(自身を除く): 45009441

約数列:

[1, 3, 9, 17, 23, 51, 69, 73, 153, 207, 219, 281, 391, 657, 843, 1173, 1241, 1679, 2529, 3519, 3723, 4777, 5037, 6463, 11169, 14331, 15111, 19389, 20513, 28543, 42993, 58167, 61539, 85629, 109871, 184617, 256887, 329613, 348721, 471799, 988839, 1046163, 1415397, 3138489, 4246191, 8020583, 24061749, 72185247]

約数ペア:

[(1, 72185247), (3, 24061749), (9, 8020583), (17, 4246191), (23, 3138489), (51, 1415397), (69, 1046163), (73, 988839), (153, 471799), (207, 348721), (219, 329613), (281, 256887), (391, 184617), (657, 109871), (843, 85629), (1173, 61539), (1241, 58167), (1679, 42993), (2529, 28543), (3519, 20513), (3723, 19389), (4777, 15111), (5037, 14331), (6463, 11169)]