28045359

素因数分解:

$3^6\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:139

約数の個数: 56

約数和(自身を含む): 46588032

約数和(自身を除く): 18542673

約数列:

[1, 3, 9, 17, 27, 31, 51, 73, 81, 93, 153, 219, 243, 279, 459, 527, 657, 729, 837, 1241, 1377, 1581, 1971, 2263, 2511, 3723, 4131, 4743, 5913, 6789, 7533, 11169, 12393, 14229, 17739, 20367, 22599, 33507, 38471, 42687, 53217, 61101, 100521, 115413, 128061, 183303, 301563, 346239, 384183, 549909, 904689, 1038717, 1649727, 3116151, 9348453, 28045359]

約数ペア:

[(1, 28045359), (3, 9348453), (9, 3116151), (17, 1649727), (27, 1038717), (31, 904689), (51, 549909), (73, 384183), (81, 346239), (93, 301563), (153, 183303), (219, 128061), (243, 115413), (279, 100521), (459, 61101), (527, 53217), (657, 42687), (729, 38471), (837, 33507), (1241, 22599), (1377, 20367), (1581, 17739), (1971, 14229), (2263, 12393), (2511, 11169), (3723, 7533), (4131, 6789), (4743, 5913)]