80804475

素因数分解:

$3^2\times 5^2\times {\mathrm{197}}^1\times {\mathrm{1823}}^1$

素因数の和:2036

約数の個数: 36

約数和(自身を含む): 145544256

約数和(自身を除く): 64739781

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 197, 225, 591, 985, 1773, 1823, 2955, 4925, 5469, 8865, 9115, 14775, 16407, 27345, 44325, 45575, 82035, 136725, 359131, 410175, 1077393, 1795655, 3232179, 5386965, 8978275, 16160895, 26934825, 80804475]

約数ペア:

[(1, 80804475), (3, 26934825), (5, 16160895), (9, 8978275), (15, 5386965), (25, 3232179), (45, 1795655), (75, 1077393), (197, 410175), (225, 359131), (591, 136725), (985, 82035), (1773, 45575), (1823, 44325), (2955, 27345), (4925, 16407), (5469, 14775), (8865, 9115)]