242307

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:147

約数の個数: 24

約数和(自身を含む): 400400

約数和(自身を除く): 158093

約数列:

[1, 3, 9, 13, 19, 39, 57, 109, 117, 171, 247, 327, 741, 981, 1417, 2071, 2223, 4251, 6213, 12753, 18639, 26923, 80769, 242307]

約数ペア:

[(1, 242307), (3, 80769), (9, 26923), (13, 18639), (19, 12753), (39, 6213), (57, 4251), (109, 2223), (117, 2071), (171, 1417), (247, 981), (327, 741)]