289657155

素因数分解:

$3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{383}}^1\times {\mathrm{397}}^1$

素因数の和:915

約数の個数: 32

約数和(自身を含む): 469499904

約数和(自身を除く): 179842749

約数列:

[1, 3, 5, 15, 127, 381, 383, 397, 635, 1149, 1191, 1905, 1915, 1985, 5745, 5955, 48641, 50419, 145923, 151257, 152051, 243205, 252095, 456153, 729615, 756285, 760255, 2280765, 19310477, 57931431, 96552385, 289657155]

約数ペア:

[(1, 289657155), (3, 96552385), (5, 57931431), (15, 19310477), (127, 2280765), (381, 760255), (383, 756285), (397, 729615), (635, 456153), (1149, 252095), (1191, 243205), (1905, 152051), (1915, 151257), (1985, 145923), (5745, 50419), (5955, 48641)]