990427695

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{787}}^1\times {\mathrm{1583}}^1$

素因数の和:2431

約数の個数: 32

約数和(自身を含む): 1617656832

約数和(自身を除く): 627229137

約数列:

[1, 3, 5, 15, 53, 159, 265, 787, 795, 1583, 2361, 3935, 4749, 7915, 11805, 23745, 41711, 83899, 125133, 208555, 251697, 419495, 625665, 1245821, 1258485, 3737463, 6229105, 18687315, 66028513, 198085539, 330142565, 990427695]

約数ペア:

[(1, 990427695), (3, 330142565), (5, 198085539), (15, 66028513), (53, 18687315), (159, 6229105), (265, 3737463), (787, 1258485), (795, 1245821), (1583, 625665), (2361, 419495), (3935, 251697), (4749, 208555), (7915, 125133), (11805, 83899), (23745, 41711)]