188217981

素因数分解:

$3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{15013}}^1$

素因数の和:15225

約数の個数: 24

約数和(自身を含む): 312291200

約数和(自身を除く): 124073219

約数列:

[1, 3, 7, 9, 21, 63, 199, 597, 1393, 1791, 4179, 12537, 15013, 45039, 105091, 135117, 315273, 945819, 2987587, 8962761, 20913109, 26888283, 62739327, 188217981]

約数ペア:

[(1, 188217981), (3, 62739327), (7, 26888283), (9, 20913109), (21, 8962761), (63, 2987587), (199, 945819), (597, 315273), (1393, 135117), (1791, 105091), (4179, 45039), (12537, 15013)]