28176855

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2113}}^1$

素因数の和:2255

約数の個数: 32

約数和(自身を含む): 51953664

約数和(自身を除く): 23776809

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 127, 381, 635, 889, 1905, 2113, 2667, 4445, 6339, 10565, 13335, 14791, 31695, 44373, 73955, 221865, 268351, 805053, 1341755, 1878457, 4025265, 5635371, 9392285, 28176855]

約数ペア:

[(1, 28176855), (3, 9392285), (5, 5635371), (7, 4025265), (15, 1878457), (21, 1341755), (35, 805053), (105, 268351), (127, 221865), (381, 73955), (635, 44373), (889, 31695), (1905, 14791), (2113, 13335), (2667, 10565), (4445, 6339)]