7211145

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28279}}^1$

素因数の和:28304

約数の個数: 16

約数和(自身を含む): 12216960

約数和(自身を除く): 5005815

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 28279, 84837, 141395, 424185, 480743, 1442229, 2403715, 7211145]

約数ペア:

[(1, 7211145), (3, 2403715), (5, 1442229), (15, 480743), (17, 424185), (51, 141395), (85, 84837), (255, 28279)]