25728543

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{521}}^1$

素因数の和:620

約数の個数: 32

約数和(自身を含む): 40089600

約数和(自身を除く): 14361057

約数列:

[1, 3, 9, 27, 31, 59, 93, 177, 279, 521, 531, 837, 1563, 1593, 1829, 4689, 5487, 14067, 16151, 16461, 30739, 48453, 49383, 92217, 145359, 276651, 436077, 829953, 952909, 2858727, 8576181, 25728543]

約数ペア:

[(1, 25728543), (3, 8576181), (9, 2858727), (27, 952909), (31, 829953), (59, 436077), (93, 276651), (177, 145359), (279, 92217), (521, 49383), (531, 48453), (837, 30739), (1563, 16461), (1593, 16151), (1829, 14067), (4689, 5487)]