23728131

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{461}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 42282240

約数和(自身を除く): 18554109

約数列:

[1, 3, 7, 9, 19, 21, 43, 57, 63, 129, 133, 171, 301, 387, 399, 461, 817, 903, 1197, 1383, 2451, 2709, 3227, 4149, 5719, 7353, 8759, 9681, 17157, 19823, 26277, 29043, 51471, 59469, 61313, 78831, 138761, 178407, 183939, 376637, 416283, 551817, 1129911, 1248849, 2636459, 3389733, 7909377, 23728131]

約数ペア:

[(1, 23728131), (3, 7909377), (7, 3389733), (9, 2636459), (19, 1248849), (21, 1129911), (43, 551817), (57, 416283), (63, 376637), (129, 183939), (133, 178407), (171, 138761), (301, 78831), (387, 61313), (399, 59469), (461, 51471), (817, 29043), (903, 26277), (1197, 19823), (1383, 17157), (2451, 9681), (2709, 8759), (3227, 7353), (4149, 5719)]