28186305

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{811}}^1$

素因数の和:1157

約数の個数: 32

約数和(自身を含む): 51760128

約数和(自身を除く): 23573823

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 331, 811, 993, 1655, 2317, 2433, 4055, 4965, 5677, 6951, 11585, 12165, 17031, 28385, 34755, 85155, 268441, 805323, 1342205, 1879087, 4026615, 5637261, 9395435, 28186305]

約数ペア:

[(1, 28186305), (3, 9395435), (5, 5637261), (7, 4026615), (15, 1879087), (21, 1342205), (35, 805323), (105, 268441), (331, 85155), (811, 34755), (993, 28385), (1655, 17031), (2317, 12165), (2433, 11585), (4055, 6951), (4965, 5677)]