28173705

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1499}}^1$

素因数の和:1693

約数の個数: 32

約数和(自身を含む): 51840000

約数和(自身を除く): 23666295

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 179, 537, 895, 1253, 1499, 2685, 3759, 4497, 6265, 7495, 10493, 18795, 22485, 31479, 52465, 157395, 268321, 804963, 1341605, 1878247, 4024815, 5634741, 9391235, 28173705]

約数ペア:

[(1, 28173705), (3, 9391235), (5, 5634741), (7, 4024815), (15, 1878247), (21, 1341605), (35, 804963), (105, 268321), (179, 157395), (537, 52465), (895, 31479), (1253, 22485), (1499, 18795), (2685, 10493), (3759, 7495), (4497, 6265)]