261057945

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{1783}}^1$

素因数の和:2061

約数の個数: 32

約数和(自身を含む): 429530112

約数和(自身を除く): 168472167

約数列:

[1, 3, 5, 15, 43, 129, 215, 227, 645, 681, 1135, 1783, 3405, 5349, 8915, 9761, 26745, 29283, 48805, 76669, 146415, 230007, 383345, 404741, 1150035, 1214223, 2023705, 6071115, 17403863, 52211589, 87019315, 261057945]

約数ペア:

[(1, 261057945), (3, 87019315), (5, 52211589), (15, 17403863), (43, 6071115), (129, 2023705), (215, 1214223), (227, 1150035), (645, 404741), (681, 383345), (1135, 230007), (1783, 146415), (3405, 76669), (5349, 48805), (8915, 29283), (9761, 26745)]