28186053

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 44169216

約数和(自身を除く): 15983163

約数列:

[1, 3, 7, 21, 83, 103, 157, 249, 309, 471, 581, 721, 1099, 1743, 2163, 3297, 8549, 13031, 16171, 25647, 39093, 48513, 59843, 91217, 113197, 179529, 273651, 339591, 1342193, 4026579, 9395351, 28186053]

約数ペア:

[(1, 28186053), (3, 9395351), (7, 4026579), (21, 1342193), (83, 339591), (103, 273651), (157, 179529), (249, 113197), (309, 91217), (471, 59843), (581, 48513), (721, 39093), (1099, 25647), (1743, 16171), (2163, 13031), (3297, 8549)]