2688231

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:295

約数の個数: 32

約数和(自身を含む): 4533760

約数和(自身を除く): 1845529

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 129, 229, 273, 301, 559, 687, 903, 1603, 1677, 2977, 3913, 4809, 8931, 9847, 11739, 20839, 29541, 62517, 68929, 128011, 206787, 384033, 896077, 2688231]

約数ペア:

[(1, 2688231), (3, 896077), (7, 384033), (13, 206787), (21, 128011), (39, 68929), (43, 62517), (91, 29541), (129, 20839), (229, 11739), (273, 9847), (301, 8931), (559, 4809), (687, 3913), (903, 2977), (1603, 1677)]