25159515

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2053}}^1$

素因数の和:2123

約数の個数: 32

約数和(自身を含む): 43380480

約数和(自身を除く): 18220965

約数列:

[1, 3, 5, 15, 19, 43, 57, 95, 129, 215, 285, 645, 817, 2053, 2451, 4085, 6159, 10265, 12255, 30795, 39007, 88279, 117021, 195035, 264837, 441395, 585105, 1324185, 1677301, 5031903, 8386505, 25159515]

約数ペア:

[(1, 25159515), (3, 8386505), (5, 5031903), (15, 1677301), (19, 1324185), (43, 585105), (57, 441395), (95, 264837), (129, 195035), (215, 117021), (285, 88279), (645, 39007), (817, 30795), (2053, 12255), (2451, 10265), (4085, 6159)]