128519025

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{331}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 221319168

約数和(自身を除く): 92800143

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 167, 331, 465, 501, 775, 835, 993, 1655, 2325, 2505, 4175, 4965, 5177, 8275, 10261, 12525, 15531, 24825, 25885, 30783, 51305, 55277, 77655, 129425, 153915, 165831, 256525, 276385, 388275, 769575, 829155, 1381925, 1713587, 4145775, 5140761, 8567935, 25703805, 42839675, 128519025]

約数ペア:

[(1, 128519025), (3, 42839675), (5, 25703805), (15, 8567935), (25, 5140761), (31, 4145775), (75, 1713587), (93, 1381925), (155, 829155), (167, 769575), (331, 388275), (465, 276385), (501, 256525), (775, 165831), (835, 153915), (993, 129425), (1655, 77655), (2325, 55277), (2505, 51305), (4175, 30783), (4965, 25885), (5177, 24825), (8275, 15531), (10261, 12525)]