139874865

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1987}}^1$

素因数の和:2046

約数の個数: 48

約数和(自身を含む): 254495808

約数和(自身を除く): 114620943

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 361, 741, 1083, 1235, 1805, 1987, 3705, 4693, 5415, 5961, 9935, 14079, 23465, 25831, 29805, 37753, 70395, 77493, 113259, 129155, 188765, 387465, 490789, 566295, 717307, 1472367, 2151921, 2453945, 3586535, 7361835, 9324991, 10759605, 27974973, 46624955, 139874865]

約数ペア:

[(1, 139874865), (3, 46624955), (5, 27974973), (13, 10759605), (15, 9324991), (19, 7361835), (39, 3586535), (57, 2453945), (65, 2151921), (95, 1472367), (195, 717307), (247, 566295), (285, 490789), (361, 387465), (741, 188765), (1083, 129155), (1235, 113259), (1805, 77493), (1987, 70395), (3705, 37753), (4693, 29805), (5415, 25831), (5961, 23465), (9935, 14079)]