215495115

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{193}}^1$

素因数の和:380

約数の個数: 64

約数和(自身を含む): 387528192

約数和(自身を除く): 172033077

約数列:

[1, 3, 5, 11, 15, 33, 55, 67, 101, 165, 193, 201, 303, 335, 505, 579, 737, 965, 1005, 1111, 1515, 2123, 2211, 2895, 3333, 3685, 5555, 6369, 6767, 10615, 11055, 12931, 16665, 19493, 20301, 31845, 33835, 38793, 58479, 64655, 74437, 97465, 101505, 142241, 193965, 214423, 223311, 292395, 372185, 426723, 643269, 711205, 1072115, 1116555, 1306031, 2133615, 3216345, 3918093, 6530155, 14366341, 19590465, 43099023, 71831705, 215495115]

約数ペア:

[(1, 215495115), (3, 71831705), (5, 43099023), (11, 19590465), (15, 14366341), (33, 6530155), (55, 3918093), (67, 3216345), (101, 2133615), (165, 1306031), (193, 1116555), (201, 1072115), (303, 711205), (335, 643269), (505, 426723), (579, 372185), (737, 292395), (965, 223311), (1005, 214423), (1111, 193965), (1515, 142241), (2123, 101505), (2211, 97465), (2895, 74437), (3333, 64655), (3685, 58479), (5555, 38793), (6369, 33835), (6767, 31845), (10615, 20301), (11055, 19493), (12931, 16665)]