57221811

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{601}}^1$

素因数の和:827

約数の個数: 24

約数和(自身を含む): 84520800

約数和(自身を除く): 27298989

約数列:

[1, 3, 9, 71, 149, 213, 447, 601, 639, 1341, 1803, 5409, 10579, 31737, 42671, 89549, 95211, 128013, 268647, 384039, 805941, 6357979, 19073937, 57221811]

約数ペア:

[(1, 57221811), (3, 19073937), (9, 6357979), (71, 805941), (149, 384039), (213, 268647), (447, 128013), (601, 95211), (639, 89549), (1341, 42671), (1803, 31737), (5409, 10579)]