90138195

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{40879}}^1$

素因数の和:40904

約数の個数: 36

約数和(自身を含む): 181752480

約数和(自身を除く): 91614285

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 40879, 122637, 204395, 286153, 367911, 613185, 858459, 1430765, 1839555, 2003071, 2575377, 4292295, 6009213, 10015355, 12876885, 18027639, 30046065, 90138195]

約数ペア:

[(1, 90138195), (3, 30046065), (5, 18027639), (7, 12876885), (9, 10015355), (15, 6009213), (21, 4292295), (35, 2575377), (45, 2003071), (49, 1839555), (63, 1430765), (105, 858459), (147, 613185), (245, 367911), (315, 286153), (441, 204395), (735, 122637), (2205, 40879)]