728574285

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1579}}^1\times {\mathrm{1619}}^1$

素因数の和:3225

約数の個数: 32

約数和(自身を含む): 1228608000

約数和(自身を除く): 500033715

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 1579, 1619, 4737, 4857, 7895, 8095, 23685, 24285, 30001, 30761, 90003, 92283, 150005, 153805, 450015, 461415, 2556401, 7669203, 12782005, 38346015, 48571619, 145714857, 242858095, 728574285]

約数ペア:

[(1, 728574285), (3, 242858095), (5, 145714857), (15, 48571619), (19, 38346015), (57, 12782005), (95, 7669203), (285, 2556401), (1579, 461415), (1619, 450015), (4737, 153805), (4857, 150005), (7895, 92283), (8095, 90003), (23685, 30761), (24285, 30001)]