28277715

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{641}}^1$

素因数の和:839

約数の個数: 32

約数和(自身を含む): 48257856

約数和(自身を除く): 19980141

約数列:

[1, 3, 5, 15, 17, 51, 85, 173, 255, 519, 641, 865, 1923, 2595, 2941, 3205, 8823, 9615, 10897, 14705, 32691, 44115, 54485, 110893, 163455, 332679, 554465, 1663395, 1885181, 5655543, 9425905, 28277715]

約数ペア:

[(1, 28277715), (3, 9425905), (5, 5655543), (15, 1885181), (17, 1663395), (51, 554465), (85, 332679), (173, 163455), (255, 110893), (519, 54485), (641, 44115), (865, 32691), (1923, 14705), (2595, 10897), (2941, 9615), (3205, 8823)]