31538709

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{193}}^1\times {\mathrm{271}}^1$

素因数の和:537

約数の個数: 24

約数和(自身を含む): 46646912

約数和(自身を除く): 15108203

約数列:

[1, 3, 9, 67, 193, 201, 271, 579, 603, 813, 1737, 2439, 12931, 18157, 38793, 52303, 54471, 116379, 156909, 163413, 470727, 3504301, 10512903, 31538709]

約数ペア:

[(1, 31538709), (3, 10512903), (9, 3504301), (67, 470727), (193, 163413), (201, 156909), (271, 116379), (579, 54471), (603, 52303), (813, 38793), (1737, 18157), (2439, 12931)]