28672623

素因数分解:

$3^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{829}}^1$

素因数の和:909

約数の個数: 40

約数和(自身を含む): 49813280

約数和(自身を除く): 21140657

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 81, 183, 189, 427, 549, 567, 829, 1281, 1647, 2487, 3843, 4941, 5803, 7461, 11529, 17409, 22383, 34587, 50569, 52227, 67149, 151707, 156681, 353983, 455121, 470043, 1061949, 1365363, 3185847, 4096089, 9557541, 28672623]

約数ペア:

[(1, 28672623), (3, 9557541), (7, 4096089), (9, 3185847), (21, 1365363), (27, 1061949), (61, 470043), (63, 455121), (81, 353983), (183, 156681), (189, 151707), (427, 67149), (549, 52227), (567, 50569), (829, 34587), (1281, 22383), (1647, 17409), (2487, 11529), (3843, 7461), (4941, 5803)]