289455855

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{87317}}^1$

素因数の和:87355

約数の個数: 32

約数和(自身を含む): 528099264

約数和(自身を除く): 238643409

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 87317, 261951, 436585, 1135121, 1309755, 1484389, 3405363, 4453167, 5675605, 7421945, 17026815, 19297057, 22265835, 57891171, 96485285, 289455855]

約数ペア:

[(1, 289455855), (3, 96485285), (5, 57891171), (13, 22265835), (15, 19297057), (17, 17026815), (39, 7421945), (51, 5675605), (65, 4453167), (85, 3405363), (195, 1484389), (221, 1309755), (255, 1135121), (663, 436585), (1105, 261951), (3315, 87317)]