27780285

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1307}}^1$

素因数の和:1437

約数の個数: 32

約数和(自身を含む): 48343680

約数和(自身を除く): 20563395

約数列:

[1, 3, 5, 13, 15, 39, 65, 109, 195, 327, 545, 1307, 1417, 1635, 3921, 4251, 6535, 7085, 16991, 19605, 21255, 50973, 84955, 142463, 254865, 427389, 712315, 1852019, 2136945, 5556057, 9260095, 27780285]

約数ペア:

[(1, 27780285), (3, 9260095), (5, 5556057), (13, 2136945), (15, 1852019), (39, 712315), (65, 427389), (109, 254865), (195, 142463), (327, 84955), (545, 50973), (1307, 21255), (1417, 19605), (1635, 16991), (3921, 7085), (4251, 6535)]