16997355

素因数分解:

$3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{971}}^1$

素因数の和:1371

約数の個数: 24

約数和(自身を含む): 29568240

約数和(自身を除く): 12570885

約数列:

[1, 3, 5, 9, 15, 45, 389, 971, 1167, 1945, 2913, 3501, 4855, 5835, 8739, 14565, 17505, 43695, 377719, 1133157, 1888595, 3399471, 5665785, 16997355]

約数ペア:

[(1, 16997355), (3, 5665785), (5, 3399471), (9, 1888595), (15, 1133157), (45, 377719), (389, 43695), (971, 17505), (1167, 14565), (1945, 8739), (2913, 5835), (3501, 4855)]