7772121

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 13911040

約数和(自身を除く): 6138919

約数列:

[1, 3, 7, 9, 19, 21, 43, 57, 63, 129, 133, 151, 171, 301, 387, 399, 453, 817, 903, 1057, 1197, 1359, 2451, 2709, 2869, 3171, 5719, 6493, 7353, 8607, 9513, 17157, 19479, 20083, 25821, 45451, 51471, 58437, 60249, 123367, 136353, 180747, 370101, 409059, 863569, 1110303, 2590707, 7772121]

約数ペア:

[(1, 7772121), (3, 2590707), (7, 1110303), (9, 863569), (19, 409059), (21, 370101), (43, 180747), (57, 136353), (63, 123367), (129, 60249), (133, 58437), (151, 51471), (171, 45451), (301, 25821), (387, 20083), (399, 19479), (453, 17157), (817, 9513), (903, 8607), (1057, 7353), (1197, 6493), (1359, 5719), (2451, 3171), (2709, 2869)]