28576395

素因数分解:

$3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1907}}^1$

素因数の和:1961

約数の個数: 40

約数和(自身を含む): 52637904

約数和(自身を除く): 24061509

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 81, 111, 135, 185, 333, 405, 555, 999, 1665, 1907, 2997, 4995, 5721, 9535, 14985, 17163, 28605, 51489, 70559, 85815, 154467, 211677, 257445, 352795, 635031, 772335, 1058385, 1905093, 3175155, 5715279, 9525465, 28576395]

約数ペア:

[(1, 28576395), (3, 9525465), (5, 5715279), (9, 3175155), (15, 1905093), (27, 1058385), (37, 772335), (45, 635031), (81, 352795), (111, 257445), (135, 211677), (185, 154467), (333, 85815), (405, 70559), (555, 51489), (999, 28605), (1665, 17163), (1907, 14985), (2997, 9535), (4995, 5721)]