199360785

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{60139}}^1$

素因数の和:60177

約数の個数: 32

約数和(自身を含む): 363726720

約数和(自身を除く): 164365935

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 60139, 180417, 300695, 781807, 902085, 1022363, 2345421, 3067089, 3909035, 5111815, 11727105, 13290719, 15335445, 39872157, 66453595, 199360785]

約数ペア:

[(1, 199360785), (3, 66453595), (5, 39872157), (13, 15335445), (15, 13290719), (17, 11727105), (39, 5111815), (51, 3909035), (65, 3067089), (85, 2345421), (195, 1022363), (221, 902085), (255, 781807), (663, 300695), (1105, 180417), (3315, 60139)]