206865813

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{12613}}^1$

素因数の和:12705

約数の個数: 32

約数和(自身を含む): 348751872

約数和(自身を除く): 141886059

約数列:

[1, 3, 7, 11, 21, 33, 71, 77, 213, 231, 497, 781, 1491, 2343, 5467, 12613, 16401, 37839, 88291, 138743, 264873, 416229, 895523, 971201, 2686569, 2913603, 6268661, 9850753, 18805983, 29552259, 68955271, 206865813]

約数ペア:

[(1, 206865813), (3, 68955271), (7, 29552259), (11, 18805983), (21, 9850753), (33, 6268661), (71, 2913603), (77, 2686569), (213, 971201), (231, 895523), (497, 416229), (781, 264873), (1491, 138743), (2343, 88291), (5467, 37839), (12613, 16401)]