31191879249

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{19861}}^1$

素因数の和:20180

約数の個数: 48

約数和(自身を含む): 48931069824

約数和(自身を除く): 17739190575

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 243, 281, 621, 843, 1863, 2529, 5589, 6463, 7587, 19389, 19861, 22761, 58167, 59583, 68283, 174501, 178749, 456803, 523503, 536247, 1370409, 1570509, 1608741, 4111227, 4826223, 5580941, 12333681, 16742823, 37001043, 50228469, 111003129, 128361643, 150685407, 385084929, 452056221, 1155254787, 1356168663, 3465764361, 10397293083, 31191879249]

約数ペア:

[(1, 31191879249), (3, 10397293083), (9, 3465764361), (23, 1356168663), (27, 1155254787), (69, 452056221), (81, 385084929), (207, 150685407), (243, 128361643), (281, 111003129), (621, 50228469), (843, 37001043), (1863, 16742823), (2529, 12333681), (5589, 5580941), (6463, 4826223), (7587, 4111227), (19389, 1608741), (19861, 1570509), (22761, 1370409), (58167, 536247), (59583, 523503), (68283, 456803), (174501, 178749)]