81720637

素因数分解:

${\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{307}}^1$

素因数の和:540

約数の個数: 16

約数和(自身を含む): 86708160

約数和(自身を除く): 4987523

約数列:

[1, 29, 67, 137, 307, 1943, 3973, 8903, 9179, 20569, 42059, 266191, 596501, 1219711, 2817953, 81720637]

約数ペア:

[(1, 81720637), (29, 2817953), (67, 1219711), (137, 596501), (307, 266191), (1943, 42059), (3973, 20569), (8903, 9179)]