162981

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:225

約数の個数: 24

約数和(自身を含む): 291200

約数和(自身を除く): 128219

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 199, 273, 597, 819, 1393, 1791, 2587, 4179, 7761, 12537, 18109, 23283, 54327, 162981]

約数ペア:

[(1, 162981), (3, 54327), (7, 23283), (9, 18109), (13, 12537), (21, 7761), (39, 4179), (63, 2587), (91, 1791), (117, 1393), (199, 819), (273, 597)]