16909209

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{373}}^1$

素因数の和:478

約数の個数: 32

約数和(自身を含む): 26568960

約数和(自身を除く): 9659751

約数列:

[1, 3, 9, 23, 27, 69, 73, 207, 219, 373, 621, 657, 1119, 1679, 1971, 3357, 5037, 8579, 10071, 15111, 25737, 27229, 45333, 77211, 81687, 231633, 245061, 626267, 735183, 1878801, 5636403, 16909209]

約数ペア:

[(1, 16909209), (3, 5636403), (9, 1878801), (23, 735183), (27, 626267), (69, 245061), (73, 231633), (207, 81687), (219, 77211), (373, 45333), (621, 27229), (657, 25737), (1119, 15111), (1679, 10071), (1971, 8579), (3357, 5037)]