381969

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:106

約数の個数: 32

約数和(自身を含む): 675840

約数和(自身を除く): 293871

約数列:

[1, 3, 7, 9, 21, 27, 43, 47, 63, 129, 141, 189, 301, 329, 387, 423, 903, 987, 1161, 1269, 2021, 2709, 2961, 6063, 8127, 8883, 14147, 18189, 42441, 54567, 127323, 381969]

約数ペア:

[(1, 381969), (3, 127323), (7, 54567), (9, 42441), (21, 18189), (27, 14147), (43, 8883), (47, 8127), (63, 6063), (129, 2961), (141, 2709), (189, 2021), (301, 1269), (329, 1161), (387, 987), (423, 903)]