15240855

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3923}}^1$

素因数の和:3975

約数の個数: 32

約数和(自身を含む): 28629504

約数和(自身を除く): 13388649

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 105, 111, 185, 259, 555, 777, 1295, 3885, 3923, 11769, 19615, 27461, 58845, 82383, 137305, 145151, 411915, 435453, 725755, 1016057, 2177265, 3048171, 5080285, 15240855]

約数ペア:

[(1, 15240855), (3, 5080285), (5, 3048171), (7, 2177265), (15, 1016057), (21, 725755), (35, 435453), (37, 411915), (105, 145151), (111, 137305), (185, 82383), (259, 58845), (555, 27461), (777, 19615), (1295, 11769), (3885, 3923)]