28161105

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4003}}^1$

素因数の和:4085

約数の個数: 32

約数和(自身を含む): 52276224

約数和(自身を除く): 24115119

約数列:

[1, 3, 5, 7, 15, 21, 35, 67, 105, 201, 335, 469, 1005, 1407, 2345, 4003, 7035, 12009, 20015, 28021, 60045, 84063, 140105, 268201, 420315, 804603, 1341005, 1877407, 4023015, 5632221, 9387035, 28161105]

約数ペア:

[(1, 28161105), (3, 9387035), (5, 5632221), (7, 4023015), (15, 1877407), (21, 1341005), (35, 804603), (67, 420315), (105, 268201), (201, 140105), (335, 84063), (469, 60045), (1005, 28021), (1407, 20015), (2345, 12009), (4003, 7035)]