28919241

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1753}}^1$

素因数の和:1822

約数の個数: 32

約数和(自身を含む): 47147520

約数和(自身を除く): 18228279

約数列:

[1, 3, 9, 13, 27, 39, 47, 117, 141, 351, 423, 611, 1269, 1753, 1833, 5259, 5499, 15777, 16497, 22789, 47331, 68367, 82391, 205101, 247173, 615303, 741519, 1071083, 2224557, 3213249, 9639747, 28919241]

約数ペア:

[(1, 28919241), (3, 9639747), (9, 3213249), (13, 2224557), (27, 1071083), (39, 741519), (47, 615303), (117, 247173), (141, 205101), (351, 82391), (423, 68367), (611, 47331), (1269, 22789), (1753, 16497), (1833, 15777), (5259, 5499)]