291280293

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{49261}}^1$

素因数の和:49346

約数の個数: 20

約数和(自身を含む): 441091948

約数和(自身を除く): 149811655

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 5913, 49261, 147783, 443349, 1330047, 3596053, 3990141, 10788159, 32364477, 97093431, 291280293]

約数ペア:

[(1, 291280293), (3, 97093431), (9, 32364477), (27, 10788159), (73, 3990141), (81, 3596053), (219, 1330047), (657, 443349), (1971, 147783), (5913, 49261)]