42257691

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{821}}^1$

素因数の和:896

約数の個数: 48

約数和(自身を含む): 75229440

約数和(自身を除く): 32971749

約数列:

[1, 3, 7, 9, 19, 21, 43, 57, 63, 129, 133, 171, 301, 387, 399, 817, 821, 903, 1197, 2451, 2463, 2709, 5719, 5747, 7353, 7389, 15599, 17157, 17241, 35303, 46797, 51471, 51723, 105909, 109193, 140391, 247121, 317727, 327579, 670757, 741363, 982737, 2012271, 2224089, 4695299, 6036813, 14085897, 42257691]

約数ペア:

[(1, 42257691), (3, 14085897), (7, 6036813), (9, 4695299), (19, 2224089), (21, 2012271), (43, 982737), (57, 741363), (63, 670757), (129, 327579), (133, 317727), (171, 247121), (301, 140391), (387, 109193), (399, 105909), (817, 51723), (821, 51471), (903, 46797), (1197, 35303), (2451, 17241), (2463, 17157), (2709, 15599), (5719, 7389), (5747, 7353)]