156933

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:113

約数の個数: 24

約数和(自身を含む): 269568

約数和(自身を除く): 112635

約数列:

[1, 3, 7, 9, 21, 47, 53, 63, 141, 159, 329, 371, 423, 477, 987, 1113, 2491, 2961, 3339, 7473, 17437, 22419, 52311, 156933]

約数ペア:

[(1, 156933), (3, 52311), (7, 22419), (9, 17437), (21, 7473), (47, 3339), (53, 2961), (63, 2491), (141, 1113), (159, 987), (329, 477), (371, 423)]