28743393

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 45337600

約数和(自身を除く): 16594207

約数列:

[1, 3, 7, 21, 43, 129, 139, 229, 301, 417, 687, 903, 973, 1603, 2919, 4809, 5977, 9847, 17931, 29541, 31831, 41839, 68929, 95493, 125517, 206787, 222817, 668451, 1368733, 4106199, 9581131, 28743393]

約数ペア:

[(1, 28743393), (3, 9581131), (7, 4106199), (21, 1368733), (43, 668451), (129, 222817), (139, 206787), (229, 125517), (301, 95493), (417, 68929), (687, 41839), (903, 31831), (973, 29541), (1603, 17931), (2919, 9847), (4809, 5977)]