81208245

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{907}}^1$

素因数の和:1089

約数の個数: 32

約数和(自身を含む): 133890048

約数和(自身を除く): 52681803

約数列:

[1, 3, 5, 15, 47, 127, 141, 235, 381, 635, 705, 907, 1905, 2721, 4535, 5969, 13605, 17907, 29845, 42629, 89535, 115189, 127887, 213145, 345567, 575945, 639435, 1727835, 5413883, 16241649, 27069415, 81208245]

約数ペア:

[(1, 81208245), (3, 27069415), (5, 16241649), (15, 5413883), (47, 1727835), (127, 639435), (141, 575945), (235, 345567), (381, 213145), (635, 127887), (705, 115189), (907, 89535), (1905, 42629), (2721, 29845), (4535, 17907), (5969, 13605)]