28453383

素因数分解:

$3^3\times 7^1\times {\mathrm{151}}^1\times {\mathrm{997}}^1$

素因数の和:1164

約数の個数: 32

約数和(自身を含む): 48542720

約数和(自身を除く): 20089337

約数列:

[1, 3, 7, 9, 21, 27, 63, 151, 189, 453, 997, 1057, 1359, 2991, 3171, 4077, 6979, 8973, 9513, 20937, 26919, 28539, 62811, 150547, 188433, 451641, 1053829, 1354923, 3161487, 4064769, 9484461, 28453383]

約数ペア:

[(1, 28453383), (3, 9484461), (7, 4064769), (9, 3161487), (21, 1354923), (27, 1053829), (63, 451641), (151, 188433), (189, 150547), (453, 62811), (997, 28539), (1057, 26919), (1359, 20937), (2991, 9513), (3171, 8973), (4077, 6979)]