138366543

素因数分解:

$3^1\times 7^3\times {\mathrm{47}}^1\times {\mathrm{2861}}^1$

素因数の和:2932

約数の個数: 32

約数和(自身を含む): 219801600

約数和(自身を除く): 81435057

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 343, 987, 1029, 2303, 2861, 6909, 8583, 16121, 20027, 48363, 60081, 134467, 140189, 403401, 420567, 941269, 981323, 2823807, 2943969, 6588883, 19766649, 46122181, 138366543]

約数ペア:

[(1, 138366543), (3, 46122181), (7, 19766649), (21, 6588883), (47, 2943969), (49, 2823807), (141, 981323), (147, 941269), (329, 420567), (343, 403401), (987, 140189), (1029, 134467), (2303, 60081), (2861, 48363), (6909, 20027), (8583, 16121)]